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Phantom 3 Lag / Pause Android in FPV
196776 1033 2015-5-31
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jgraham103
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United States
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Tahoe_Ed or DJI_Autumn,
   Is there a way to reset the phantom 3 and or controller to factory default? Wiping out any cache or files on the internal SD card and parameters back to default. I swear this thing was working fine when I first got it with both the Samsung s4 and tab s. The more flights I log, the worse the lag seems to get. The app crashed the last 2 flights I took. That had never happened before. I reset the tab s to factory default and only loaded dji app without any difference.
2015-6-9
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great.day
lvl.3

United States
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FYI - My update number 2

New message from DJI (below) - Makes me wonder if it is software or a few of us got some bad birds (IMHO)?  I know I didn't have the issues until the upgrade.  

Tried calling for the RMA - 23 callers ahead of me and anticipated 58 minute hold time.  Will surely try later.


Dear Bob,

Thank you for contacting DJI.

The issues that you're describing require for you to send in your unit for repair.

In order to be issued an RMA (Return Merchandise Authorization) number, we encourage you to call our support staff via phone to discuss your options.

You may contact us Monday-Friday, 9:00am-5:00pm PST at 818-235-0789.

If you need repair of a Ronin, Ronin-M, or Inspire 1, please press option 1 when calling in. Option 2 and 3 will lead you to teams who cannot assist with those products.

Thank you for choosing DJI,
"The Future of Possible!”

DJI Customer Service North America


2015-6-9
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chrisclaydon
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Australia
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jgraham103 Posted at 2015-6-10 06:20
Tahoe_Ed or DJI_Autumn,
   Is there a way to reset the phantom 3 and or controller to factory defaul ...

Mmmm great question.... But take it back to 1.1.8 would the thing to do... or DJI help out with a new update.
2015-6-9
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Kyokushin
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Tried somebody a workaround,  to force GPU hardware rendering directly in Android developer options?
http://www.pcadvisor.co.uk/how-t ... er-options-3590299/
Point 9.

If on 1.1.8 everything was fine, and problem is o 1.1.9 there is no way to devices fault. This is only app or firmware fault. And there is no matter a device is supported or not.
A few users here have supported device and they have this problem too.
2015-6-9
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DVD Mansion
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Canada
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UNFREAKING BELIEVABLE! This is almost laughable! A company like this, the CEO's stock is worth $4.5 Billion now and he CAN'T Freaking hire someone to communicate with us or even fix the problem with just a simple firmware rollback! I SAY WWWWW  TTTTTTT FFFFFFF!!!!!!!!!!!!!!!!!!!!!!!
2015-6-9
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droneflyers.com
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I haven't seen any of you yet reporting exactly what your CPU is doing when this is happening.....it would really help to have actual data. I put together a basic list of things folks can try as well as examples of apps which will report the actual CPU use to you "live".

You are probably wasting your time sending back a bird or remote if you have an unsupported device. If you have a supported device, seeing what the CPU is doing will help you figure out - at least to some degree - what is going on.

Here is my little writeup. I'd be interested in folks posting their CPU use when everything is running. I have a cheapo moto-x and it peaks at about 80%. I have no phone or other services running (or as few as possible).
http://www.droneflyers.com/talk/ ... ixes.969/#post-3272
2015-6-9
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Fingerlaker
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For those keeping score, I'll pile on with having the same issue with my P3P on my Nexus 7 tablet. Started immediately after loading 1.1.9
2015-6-9
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Paniza
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Guys, I'm doing some tests and so far looks like better results. Will do more tomorrow to confirm.

I turned off the darn video cache. I don't use that thing, it uses a lot of space as well as one more thing for that tablet to worry about.

Anybody tested that as well? Any difference?

Thanks.
2015-6-9
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chrisclaydon
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Australia
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droneflyers.com Posted at 2015-6-10 08:54
I haven't seen any of you yet reporting exactly what your CPU is doing when this is happening.....it ...

Thanks for this, but have you read my post #163 in this thread?

Tested it to death...

Not sure what more I can do?
2015-6-9
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moneyspots
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jgraham103 Posted at 2015-6-10 06:20
Tahoe_Ed or DJI_Autumn,
   Is there a way to reset the phantom 3 and or controller to factory defaul ...

jgraham103 I came here to post my results and they are the exact results you describe, so you beat me to it. I have jumped through all the hoops regarding resets, formatting, and settings on devices. I have used two different android devices and both worked flawless until the recent past. My PH3 is unusable at this point. If DJI doesn't come up with some fix quick or at least some recognition of the problem, I will be returning mine for a refund. When I purchased it I read all about the functions and performance offered and no where did it say try this, try that, reset this, reset that, purchase this, and purchase that. Follow these steps and you will get the advertised performance of this product. What a bunch of bs.
2015-6-9
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cwilliams
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Tahoe_Ed Posted at 2015-6-10 05:01
I would verify the version of Android you are using.  Also include the carrier.  Does the behavior ...

Also... If you have ever looked at any porn on the device make sure you remove it.   If you have any pictures of your family delete them!   Lastly we suggest standing on one foot,  and while holding the controller with one hand,  stick you index finger in your ear.
2015-6-9
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cwilliams
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jgraham103 Posted at 2015-6-10 05:04
So at 3762 views and 190 posts in 8 days we are back to square one. DJI can't duplicate the problem. ...

Wait.   and your upset with the Android Device?  How can that be?  
2015-6-9
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matukash
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Crashed my phantom due to the lag and i think it may have had been influenced by the update. THANK YOU DJI!!! I feel miserable, the thing kept throwing errors, and after moving the phantom around they would go away and say "safe to fly". Crashed my brand new Phantom 3 Professional into a tree due to the various uncertain bugs and VIDEO LAG. Now I look like an idiot and cant even prove to DJI that it is of their hardware/software fault. DJI, what can I do about this???? Im leaving the country, saved up my money, and now I'm $1300 short due to issues from your part!.. Here are some screenshots from the final flight. Everything was all set and it said that it's safe to fly after picking up the phantom and then putting it down. What it would usually do is disconnect its gimbal and throw an MC error, but after moving it it would go away. Did a shoot and due to the delay cropped a palm tree resulting in a 10 ft fall to the stones below. Broke the arm, and I was just about to call DJI to ask for a replacement... What a bummer.


20150609_212924000_iOS.jpg
20150608_142855000_iOS.jpg
2015-6-9
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cwilliams
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Fingerlaker Posted at 2015-6-10 09:55
For those keeping score, I'll pile on with having the same issue with my P3P on my Nexus 7 tablet. S ...

Oh but your crazing and seeing things...   Your unsupported device that worked great before 1.1.8 must be the problem.  And to stall you for some time,  please make sure you erase your device,  reload it,  set it up again,  delete all the applications you had on it before the 1.1.9 upgrade.   Download monitoring software that you didn't need when it was 1.1.8.  Lastly,  post a cool video that shows exactly what is happening so that we can tell you its your device and to start all over again.
2015-6-9
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cwilliams
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Paniza Posted at 2015-6-10 10:33
Guys, I'm doing some tests and so far looks like better results. Will do more tomorrow to confirm.

...

Be cautious.   Supposedly if that drone flies away your video cache is the only proof of something going wrong.   I would think twice about turning it off especially since its the default option.
2015-6-9
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cwilliams
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matukash@gmail. Posted at 2015-6-10 12:38
Crashed my phantom due to the lag and i think it may have had been influenced by the update. THANK Y ...

I feel terrible for you bud.  I too have lost confidence in my drone.  I now fly it around my back yard in a boxed in area with a net and pillows on the floor.  Im thinking I should just swing it around in circles from a string and tell everyone thats how it works.

2015-6-9
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matukash
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cwilliams@trico Posted at 2015-6-10 12:55
I feel terrible for you bud.  I too have lost confidence in my drone.  I now fly it around my back ...

Seems to be the only option.... should call it the string method and put it into practice until dji get their **** together
2015-6-9
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numbphoto
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Got the same issues... flying with a Samsung Galaxy Tab S 8.4. Stock Android Lollipop image with NO additional software installed. the P3P works great for 5 minutes then application lag is bad enough to force me to land the aircraft. Hopefully there is a cure.
2015-6-9
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Kyokushin
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cwilliams@trico Posted at 2015-6-10 12:33
Wait.   and your upset with the Android Device?  How can that be?

Everyone have this problem, but not DJI. Users with iOS and Android, with supported, and unsupported devices.

They have unique devices in DJI.
2015-6-9
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alessio.pac
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matukash@gmail. Posted at 2015-6-10 12:38
Crashed my phantom due to the lag and i think it may have had been influenced by the update. THANK Y ...

I'm so sorry and agry to se your pictures!!!! I don't fly anymore. I'm really thinking to sell my new P3 before crashing. It's for Apple owner only.
DJI, what are you doing?
2015-6-9
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DVD Mansion
lvl.3
Canada
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cwilliams@trico Posted at 2015-6-10 12:55
I feel terrible for you bud.  I too have lost confidence in my drone.  I now fly it around my back ...

ROFLMAO at least someone made me laugh..
All joking aside though I feel bad for that guy
2015-6-9
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Kyokushin
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After matukash crash caused by video lag we can all agree:
All Phantom 3 and Inspire 1 are grounded until DJI release new firmware. Flying may cause a drone loss.
2015-6-9
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petter
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Kyokushin Posted at 2015-6-10 14:32
After matukash crash caused by video lag we can all agree:
All Phantom 3 and Inspire 1 are grounded  ...

Drone loss is one thing,

But think about hurting a High Voltage Line,
The line comes down on a car,
Starts with fire and then explosion, up to the next car…
A couple of hours after… No more LA…

Could be a great “C Series” movie…

Sorry, out of subject, but tired to refresh the download page 5 times a day since more than one week to see if there is an upgrade… Had to exhaust a little the pressure.
2015-6-9
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lnwpower
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I'm having problem with video lag,jerky, too !!!
My device is Sony z3

DJI please Fix !!!!!!!!!!!


2015-6-10
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Kyokushin
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lnwpower Posted at 2015-6-10 16:45
I'm having problem with video lag,jerky, too !!!
My device is Sony z3

Another user with SUPPORTED Device.

Both Z3 and Note 3 are on supported Device List. There are users with this smartphones and they HAVE problem.

Please DJI, fix it.

CPU benchmark list:
http://www.androidbenchmark.net/passmark_chart.html

Anything above supported devices (Z3, Note 3, Nexus 7 2013) should work.
2015-6-10
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Vzs
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same here with ipad 2
2015-6-10
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jgraham103
lvl.2

United States
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RE: Phantom 3 Lag / Pause Android in FPV

cwilliams@trico Posted at 2015-6-10 12:33
Wait.   and your upset with the Android Device?  How can that be?

not upset with android device.  Just the lack of support that seems to be available when things don't work right.
Always 'too many types of hardware that we can't support'.  Seems to be the canned answer.

Actually in this case, I think lots of iPad users are experiencing the same thing.


2015-6-10
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Selim
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Germany
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I've the same issue with my Galaxy Tab S 8.4, Stock Rom 5.0.2, Pilot App 1.1.0, P3P 1.1.9 Firmware, GPS on.
Fpv is not useful and if it is working the lag is very very high, everything is responding very slow, and the app crashes frequently.

The last flight was almost a disaster, the app was hanging and we thought that the P3 battery was at 51% but in fact it was under 25%.
Fortunately we have realized it and the P3 was not very far away....

i'm waiting for fix.

2015-6-10
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Darkfito
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Spain
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From the 22nd of last month and DJI does nothing. I don't get it. I have much LAG (my phone is recommended by DJI) with firmware 1.1.9 = horrible

I use Samsung Galaxy Note 3 LTE, Android 5.0 (official) , 100x100 charged battery. (Flight mode)- (Unopened other apps)-(Micro SD formatted)

I feel cheated
2015-6-10
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chrisclaydon
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Australia
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Ok guys....

Samsung TAB S... I like the rest of the world, very bad FPV after 1.1.9

So i did this.... Uninstalled and disabled everthing.... and I mean everything. Nothng would work on the Tablet once i finished, Crome, play store, google maps, all the Samsung stuff, other than the DJI app.

I used the Free Zapper app to cleanup everthing possible.

So in the end i had my TAB S just setup for DJI app and NOTHING else. (Yes  a real pain in the a......) but i wished to see if I could get it to run right like it did before 1.1.9 FW.....

and guess what ???

I flew it around for the whole battery for 20mins without any display problems!

I monitored the CPU and RAM usage thru the flight... the good news here is total CPU running at around 57%.... it used to be around the 80% mark.



image1-3.jpeg

So thats the good news...... of course this makes the TAB S totally usless for anything else.... as all other apps deleted or uninstalled or disabled!

Not a fix for the 1.1.9 FW...

image1-3.jpeg
2015-6-10
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spencerpearse
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I'm having same video lag and App crash issues since last firmware.  I use Galaxy S4, which was fine, until that last DJI Firmware.
2015-6-10
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Kyokushin
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Could somebody test it?
http://www.pcadvisor.co.uk/how-t ... er-options-3590299/
point 9

Force GPU acceleration. It should move drawing from CPU to GPU.  Maybe it is worth to try.
2015-6-10
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chrisclaydon
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Kyokushin Posted at 2015-6-10 19:49
Could somebody test it?
http://www.pcadvisor.co.uk/how-to/google-android/32-useful-things-you-can-do ...

Tried that.. no difference on my tab s 10.5
2015-6-10
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Kyokushin
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So the Phantoms 3 and Inspires 1 are useless until DJI fix firmware.

I will not risk flying mine.
2015-6-10
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musman1978
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Kyokushin Posted at 2015-6-10 20:08
So the Phantoms 3 and Inspires 1 are useless until DJI fix firmware.

I will not risk flying mine.

yeap that's the fact ...
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droneflyers.com
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"I flew it around for the whole battery for 20mins without any display problems"

The problem appears to a fairly simple one - whether it is fixable by DJI is another story.

The problem relates to two or three things which are all related - CPU use, ambient temperature and device internal temperature. Apparently, as these devices heat up, they slow down to protect themselves.

This fixes are as stated before - remove bloatware, change settings, etc. to reduce CPU load.
BUT, add to that to keep the device as cool as possible. If you are using a cover or anything else that keeps your unit from cooling itself, remove it.

If you want to get tricky, think up ways to move heat away from the device - small portable fans, heat sinks, even a small cold pack.

I guess I have to keep repeating that this happened to me in 1.1.8 also. The biggest reason we are seeing more in 1.1.9 (guesses)
1. People have more batteries and are flying more.
2. Summer is almost here - ambient temps are higher
3. People bought covers?
4. Bloatware (background programs) build up data and heat over time.
etc.

I'm not sure how DJI can reduce the device heat without reducing what the program does - that is, the amount of calculations being done are massive. But maybe they can.

Either way, if you want to fly smoother, take this advice  - I'll point to the master post once again. If you want to just complain....well, just keep complaining.

http://www.droneflyers.com/talk/ ... ixes.969/#post-3272
2015-6-10
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Kyokushin
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droneflyers.com Posted at 2015-6-10 21:11
"I flew it around for the whole battery for 20mins without any display problems"

The problem appear ...

This do not change the fact then on 1.1.8 it works and on 1.1.9 not. So it is new software, not hardware problem as people claims.

Hmm. Maybe a little trial - make the smartphone/tablet cold (mobile freezer).
1. Flying into getting issue
2. Cooling smartphone/tablet in freezer (a few seconds will be enough)
3. Testing

The problem exist also on supported device. AndroidSoftware developer is able to manage by CPU power and heat... for example when heat is going up, to prevent CPU throttling it could temporary lower FPS and bitrate of video.

... and very important thing: problem is linked with GPS mode. WIthout GPS mode everything is smooth.
And we are talking on GPS on drone, not in tablet/smartphone.
2015-6-10
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Paniza
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@cwilliams: They use the data log for crashing data. Video might help but I don't believe that is main.

Based on the tests by chrisclaydon, it is what I suspect. The app is too heavy.

Could be bad code or could be that it is the nature of the beast. It tends to be the first one as this is not the first app of this market.

Btw, anybody with apple having lagging issues?
2015-6-10
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Kevin Stewart
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Just like everyone else here(android), I too experienced heavy lag and low quality FPV, app crashes, phone shut downs,burning hot phone, tried on multiple android devices ,specifically nexus 4, s3,s4,s5, but same BAD FPV on all devices, however today I tried flying on my friends S6, and the video was crystal clear and no lag, even when yawing! That is until, 16 mins into the flight, and suddenly the FPV started lagging like 1 frame for 6 second's!
2015-6-10
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johnmaetta
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droneflyers.com Posted at 2015-6-10 21:11
"I flew it around for the whole battery for 20mins without any display problems"

The problem appear ...

Great read...But, no matter how you view it, if CPU loading and heat are issues on DJi supported devices, then DJi needs to remedy that ASAP.
2015-6-10
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