Also it killes the battery in the phone, so fast it is a problem. Also if it is drawing power from the remote, more problem.

We all have our bad days/weeks/months/years/decades... lol.

Downgrading to 4.1.15 will likely sort the video lag - 4.3.4 is such a resource hog that I'm totally suprised when you start the app that it doesn't initiate a black hole into which the entire universe isn't sucked into.....

Downgrading to 4.1.5 MIGHT aslo help sort your OTG connection problem - there are others with brandy new Pixel 3's that still can't connect due to various reasons.

Seriously, at this point, I'd sideload 4.1.15 (if you haven't already) and see what happens.

my zip is 06333... how long of a ride would that be for you?
For what it's worth, I too required a 2nd video in order to accomplish the IMU calibration  - I was actually paying attention to the orientation of the bird in the diagrams shown on my phone during the proceecure - please note, for at least one position, the diagram is flat arse wrong.

S-e-ven Posted at 11-15 19:04
"After some homework, I believe that  4.2.20 was a pretty stable version and included the "official" OTG  for the spark. "

Try 4.2.21, that one is stabil on Droid 7 and 8 on my devices

I have not found a safe site to download "DJI GO 4 MOD 2.0" from.
Do you know a good source?

I pulled it from sparkpilots . com (less spaces)

I don't know if that classifies as safe to you - but if it wasn't, I doubt there would be there long enough for it to accrue what, 56 pages? lol

White Ox Posted at 11-17 15:49
I pulled it from sparkpilots . com (less spaces)

I don't know if that classifies as safe to you - but if it wasn't, I doubt there would be there long enough for it to accrue what, 56 pages? lol

So far I hav not been able to get it to install.
I am using a different Galaxy S4 phone.
I was able to install v4.1.15-10274   however it fails "finding resource file".
I was unable to install "MOD 4 2.0" as it fails installation. Not sure why yet.
And before you ask, yes, I selected to accept "unknown sources"  :-)
If I could just learn to fly, I wouldn't need a drone.

This is getting to be so much more fun now. N O T !!!!!!!!!!!
As nothing else was working, I tried installing the 4.3.4 ver. on the spare S4.
I had already cleaned up this S4 so it was running more efficient.
Thought I would try it.
App installed.
Resource found.
Now, since then, the RC wont connect to the Spark.
P.O.S.

djiuser_NCXRokNslVsT Posted at 11-17 16:26
So far I hav not been able to get it to install.
I am using a different Galaxy S4 phone.
I was able to install v4.1.15-10274   however it fails "finding resource file".

This page - third variant down...

https://www.apkmirror.com/apk/dj ... o-4-4-1-15-release/

That's the one I used, and it did find the resource file.

White Ox Posted at 11-17 19:24
This page - third variant down...

https://www.apkmirror.com/apk/dji-technology-co-ltd/dji-go-4/dji-go-4-4-1-15-release/

I'll have to re-find the webpage I went to, where I got that apk.
The one who had supplied it listed three variants. In his discription he pointed to #1 being the one I needed for my configuration.
I used the same release you point to. Just the variant starting with "1"

After a lot of playing around and struggle, still no OTG connectivity, however my latency has reduced a lot.
Still working on it.

djiuser_NCXRokNslVsT Posted at 11-17 16:26
So far I hav not been able to get it to install.
I am using a different Galaxy S4 phone.
I was able to install v4.1.15-10274   however it fails "finding resource file".

Get the 30.xxxx, it is twice the size in download and has all inside.

djiuser_NCXRokNslVsT Posted at 11-17 17:49
This is getting to be so much more fun now. N O T !!!!!!!!!!!
As nothing else was working, I tried installing the 4.3.4 ver. on the spare S4.
I had already cleaned up this S4 so it was running more efficient.

That is not a phone/app problem!
"Now, since then, the RC wont connect to the Spark."
Check the RCs abilities  to connect to the Spark, WITHOUT connecting it to the phone

djiuser_NCXRokNslVsT Posted at 11-17 21:19
I'll have to re-find the webpage I went to, where I got that apk.
The one who had supplied it listed three variants. In his discription he pointed to #1 being the one I needed for my configuration.
I used the same release you point to. Just the variant starting with "1"

Nope, you didn't!

-I used the same release you point to. Just the variant starting with "1"-

The 10.xxxx is not the 20.xxxxx or the 30.xxxxx

Download the 30 and try again!
Or take a newer phone, for god sake

Sorry, The link I  pasted, was the actual link, I guess I should of put some fancy text with it.

I'll do ya one better and link to the actual 3rd variant that has all included....

>>>>>>> CLICK ME <<<<<<<

And while we are pasting links.. this lil thing is a good thing to work through - changing the animations settings in developer settings helps the device be a bit more streamlined....


>>>>>>> Yes, think Link HERE, Click Me haha <<<<<<<

Is there some security or conflict reason that prevents setting up two different Galaxy S4 cell phones, to be able to link with and control the same RC and Spark?
In other words, is it set up to be married to only one Android device.
It seems, once I have it set up and workings with cell phone "A", then I try to set it up to work with my spare cell phone "B", which is the exact same model as my other, it loses connectability with the cell "A". Before you ask, YES cell "A" is exited, not connected, WiFi off.

djiuser_NCXRokNslVsT Posted at 11-18 06:58
Is there some security or conflict reason that prevents setting up two different Galaxy S4 cell phones, to be able to link with and control the same RC and Spark?
In other words, is it set up to be married to only one Android device.
It seems, once I have it set up and workings with cell phone "A", then I try to set it up to work with my spare cell phone "B", which is the exact same model as my other, it loses connectability with the cell "A". Before you ask, YES cell "A" is exited, not connected, WiFi off.

I have 2 flight devices (to "sync last month") and my "regular phone" ("sync all") set up with DJI Go4
You can even setup different versions on the different phones.
What you may have to do, in case you wanna use 4.1.15 and any newer as 4.2.20 (I think) for flying:
The 4.1.15 is updating to the cloud, you see it in (after) 4.2.20, but you don't get the record shown in 4.1.15, you generated and synced with 4.2.xx.
At least that the case on my devices

Edit: In case you wanna have fun:
SETUP the S5 and fly a bit.
And figure the setup needed for the S4 later!

I just found out something new:
Every source I look at depends on selecting "MIDI" as the mode, when tethering from the Galaxy S4.
I have not been able to do this in any way. I've been frustrated trying.
Finally after consultation with Verizon Tier 2 nd their work with Samsung Tier 4, it was determined "MIDI" is NOT available on the S4.
Anybody have input on this?
As the whole idea was to tether the S4. If the only way to accomplish that is with the MIDI option...I'm not rooting this phone. It has other needs that are priority.

S-e-ven Posted at 11-18 07:21
I have 2 flight devices (to "sync last month") and my "regular phone" ("sync all") set up with DJI Go4
You can even setup different versions on the different phones.
What you may have to do, in case you wanna use 4.1.15 and any newer as 4.2.20 (I think) for flying:

The S5 has other issues that make it unlikely to be used for the Spark. Not really a viable option, at this time.

We are gaining ground... haha.

Back when this all started, I was linking you with videos and such for enabling Midi on an S3... turns out, you don't have an S3.  Who would have thought they'd have it on an S3, remove it for an S4, and put it back for an S5...

Would you like me to acquire a used Nexus 7 2013, get it flight ready with Dji Go Mod 2.0, and send it to you? lol

Somuch for progress.
One step forward... two steps backward.
Planned obsolesence.
Used, preconfigured, Nexus 7...hmmm, Tempting.
Before I invest more money, I'm going to experiment and see if this thing is worht keeping.
I can still return it, if it isn't what I like.
I'm looking to do some aerial photography with it. Not too interested in video. Mostly stills.
Eventually, I may invest in a model that can handle carrying one of my mirrorless DSLR cameras.

Flew it today, with the alternate S4. The latency for the camear feed was aweful.
Not practical at all. You cannot tell where you are flying via the camera feed. When in close proximity to objects this is a must. I was trying to do some close ups of roof area at the flashing around a chimney.
Have to find another way.

What DJI Go 4 version did you fly it on?

4.3.4
I know I'm supposed to backgrade it to the MOD
This was a test if I had made the phone more efficient enough.

You are not "suppost" to do that
"I know I'm supposed to backgrade it to the MOD"

But you should try any 4.1.15 and, perhaps (just b/c of the officially otg) the 4.2.21

The 4.3.xx, I suppose, on a (<) Droid 5 phone, is not getting you any closer to your goal
Aside:
"Eventually, I may invest in a model that can handle carrying one of my mirrorless DSLR cameras."
If you have that in mind, with which device you think you can fly that drone, then? Unless it is a very old , before 2014 model. perhaps?
Get yourself an android 7 or 8 phone with a speedy CPU und 3 or 4 GB Ram, minimum for a test

Why don't I just tether to one of my laptops  :-)
Hey, don't think this phone is old.
I used to have a bag phone. Remember them?
OK, I'll install the mod, if I can. Remember, so far it would not complete the setup.
Maybe late tomorrow.

You don't need to do the mod, unless you want to.

I just put DJI GO 4 on my son's Nexus 7 2013 that he got for his birthday a couple years back - it's LOADED with lots of games and the like.  I wanted to see what it was capable of with 4.4.4 on it still.

I loaded up 4.1.15 without issue - and just playing around with the camera here in the living room, she seemed ok.  So I opted to try out 4.2.21... no go, laggy video.  I took one step back to 4.2.20.. .and the video seemed ok - and this gives supported OTG..... Gonna fly my drone from his tablet tomorrow while he's at school and see how she does.

djiuser_NCXRokNslVsT Posted at 11-18 19:02
Why don't I just tether to one of my laptops  :-)
Hey, don't think this phone is old.
I used to have a bag phone. Remember them?

If the mod2.0 wont install, get the 4.1.15 vers. 30.xxxxx
The mod has just the advantage to install official go4s aside, to test which will get you more (newer) app experience.
But to get a baseline, IF your S4 can do it or not, GET a working 4.1.15 on your phone

It is not the S4 Mini, isn't it?

S-e-ven Posted at 11-18 19:13
If the mod2.0 wont install, get the 4.1.15 vers. 30.xxxxx
The mod has just the advantage to install official go4s aside, to test which will get you more (newer) app experience.
But to get a baseline, IF your S4 can do it or not, GET a working 4.1.15 on your phone

Not the mini.
If I get the hang up at resource file, again... is it trying to pull that from the internet? the RC? or the Spark?
The spare S4 I'm testing this with is running without a SIM.
I can use WiFi on it and have internet access with such.

White Ox Posted at 11-18 19:09
You don't need to do the mod, unless you want to.

I just put DJI GO 4 on my son's Nexus 7 2013 that he got for his birthday a couple years back - it's LOADED with lots of games and the like.  I wanted to see what it was capable of with 4.4.4 on it still.

When I tested the camera feed, in my living room, it seemed ok, also.
When I took it outside and tried to fly, that is when the latency showed itself.
This was even when it was fairly close. I never went more than 60' away during the test with the camera.

Resource file - I think some of the variants try to download the resource file from the web - at least I know on a few that I've installed, if I wasn't connected to the web, it would hang there for a while... if I did connect, it would download it and install correctly.

Give your s4 some webbernet access and see what happens during the install.

djiuser_NCXRokNslVsT Posted at 11-19 04:14
Not the mini.
If I get the hang up at resource file, again... is it trying to pull that from the internet? the RC? or the Spark?
The spare S4 I'm testing this with is running without a SIM.

-If I get the hang up at resource file, again... is it trying to pull that from the internet? the RC? or the Spark?-

This are data, the App is trying to get from the DJI cloud.
And in the 30.xxxxx Versions on apk mirror they are included!
That is the reason that the 10.xxxxx/20.xxxxx are about half the size in download.

Also the 30.xxxxx is kind of a universal apk, suitable for phones and tabs, it seems!

The 2 GB Ram  can be your problem.
Is there anything else running on your S4?
Set the stream quality down, too

S-e-ven
Don't pick on my por, old, decrepid, aged, limited S4.
Not only does it run well.
It does not have 2GB RAM...
This S4 has 16GB RAM  -  Naaah, naaah  :-)

Back with the spare S4 phone.
All of these I have on an SD Card in the phone.
I have tried to install
DJI GO 4--For drones since P4 4.1.15 (Android 4.4+). Version: 4.1.15 (1027412)
Result: Would not install until I uninstalled ver. 4.3.4,.
Then “App Installed.” selected “Open”. Then “Failed to get resource file. Please check your network connection and retry.” However WiFi network is allowing internet connections just fine.
Tried exit and restart - Same result.
Tried phone reboot – Same result
Tried with RC controller on - linked with Spark and WiFi set to RC – Same result
Cleared application Cache & DATA – same result


DJI GO 4--For drones since P4 4.1.15 (Android 4.4+). Version: 4.1.15 (3027412)
Result: “App not installed.” (no explanation given), only choice is “Done”
DJI GO 4 MOD 2.0
Result: “App not installed.” (no explanation given), only choice is “Done”

Threw spark, RC & Cell phone onto street – drove over with car – Crushed nicely – great peace of mind :-)
Ok, the throwing & crushing was just a day dream, but getting in that direction.

Tried installing: DJI GO 4--For drones since P4 4.3.4 with ver: 4.1.15 still installed
Result: “App not installed.” (no explanation given), only choice is “Done”
Uninstalled Ver: 4.1.15 – same result

Installed  DJI GO 4--For drones since P4 4.3.4 from Play store.
Result: Install successful. Found resource file. Able to Sign into my account. States firmwares are up to date.
Did trial flight.
NO SIGNIFICANT CAMERA LATENCY !!!!
Able to fly into hidden from view place over roof and down on opposite side of house. Takes still pics quickly enough.
Figure this out ????????????
BTW, with everything installed, phone not stripped down, still have 3.04GB RAM available.
Plus 16GB SD card installed.

djiuser_NCXRokNslVsT Posted at 11-19 09:05
S-e-ven
Don't pick on my por, old, decrepid, aged, limited S4.
Not only does it run well.

2GB Ram, Dude, not 16/32/64GB Rom!

But anyway, YOU wanna fly that bird.
Mine are flying.
I start to believe too that the S4 is perhaps not the problem here.
It might be on the other side of the S4s Display!

And you've made a bit more progress.....

I'm assuming you are still using a wireless connection between RC and S4?

If  so, I'm still thinking that getting you a good install of 4.1.15 (and Mod 2.0 if you want some added features) and an OTG cable will leave you giddy as a schoolgirl..... I know I am.

I'm gonna do a write-up on today's findings and start a new thread, as there may be others interested in the Nexus setup, maybe not - but I've polluted your thread well-o-plenty, haha.

You never answered just how far away you are from me.... I'd be happy to let you pilot your bird from one my my 3 tablets ..... I mean, a flyaway ends up with a lost bird, not a lost mobile device, haha so you borrowing my hardware should be safe for me, haha.

S-e-ven Posted at 11-19 09:40
2GB Ram, Dude, not 16/32/64GB Rom!

But anyway, YOU wanna fly that bird.

S-e-ven,
Ok, I mistated. Sorry. It is likely 2GB RAM - 16GB ROM,  16GB Ext MEM
I do not know of updated display drivers for it.
Also don't most of the tablets have weaker displays?

Wait and read my next post.

djiuser_NCXRokNslVsT Posted at 11-20 17:00
S-e-ven,
Ok, I mistated. Sorry. It is likely 2GB RAM - 16GB ROM,  16GB Ext MEM
I do not know of updated display drivers for it.

Wait?... I have to wait even longer?
.
.
.
.
.
You done yet? lol

White Ox Posted at 11-19 13:41
And you've made a bit more progress.....

I'm assuming you are still using a wireless connection between RC and S4?

White Ox,
A lot more progress :-)
Yes, the connection is wirless because I still cannot install and run 4.1.15 nor get the OTG cable to work with this phone.
My location is zip code 07076

Well yesterday, I flew it, with the spare S4.
Went the full distance allowed in beginer mode - 30m
No latency problems with the camera.
Seemed almost in real time.
Responded fine.
All was going well...
except...
Three times, while in flight, It lost communication.
Screen froze on one view.
Image went to B&W !!!
This scared me.
I believe I was able to still control the movement with the RC. Just not see through the camera.
However this lasted only a few moments, each time.
I realize how tragic this might be, in that it could cause a crash or loss.
Another thing I learned. When it did it, I tried to use the RTH. However, even though I had it set to RTH at 30m, and Obstacle avoidance was turned on, it tried to come straight down...while it was still over the roof of the house... UGH!

I was able to override and still controll it properly.

So good flight, if you consider loss of visual communication a good thing :-)

White Ox Posted at 11-19 13:41
And you've made a bit more progress.....

I'm assuming you are still using a wireless connection between RC and S4?

With Auto RTH set, would a "Fly Away" be likely?

I'm betting it tried to land on your roof because you weren't more than 20 meters away from home (horizontally).  IF it's not, it'll land wherever it is when you press the button.   If more than 20 meters, then she should fly her way all the way back to where she took off from.  I wish there were a setting that allows it to return home no matter how far away it is - but that will just create lazy pilots. lol

As for Fly Away Likelihood... That's a tough call.  IF you loose connection while the bird has a good compass/GPS connection, no, she' should return to home (provided home is more than 20 meters away) and just land where she is if less than 20 meters.  HOWEVER, you can set it so that if you loose signal, it it would sit and hover - but this should not be the default.  Now if she disconnects while you are in Atti mode (caused by bad compass or GPS issues), then that'll usually end in an attempted and sometimes successful fly away.

I have no clue what your neighborhood is like, or if you even live in one, but I've read that disconnects can often be related to how much wifi traffic there is in the area.  Something to think about.

When you finally get a good connection and are up in the air, all the frustration it took to get it there just seems to be forgotten, doesn't it?

2.5 hours drive time.  I have a good friend in Randolph, which is about 45 mins from you.  If I'm going down to see him, I might just see if you want to get together for some flight time.

White Ox Posted at 11-20 18:32
I'm betting it tried to land on your roof because you weren't more than 20 meters away from home (horizontally).  IF it's not, it'll land wherever it is when you press the button.   If more than 20 meters, then she should fly her way all the way back to where she took off from.  I wish there were a setting that allows it to return home no matter how far away it is - but that will just create lazy pilots. lol

As for Fly Away Likelihood... That's a tough call.  IF you loose connection while the bird has a good compass/GPS connection, no, she' should return to home (provided home is more than 20 meters away) and just land where she is if less than 20 meters.  HOWEVER, you can set it so that if you loose signal, it it would sit and hover - but this should not be the default.  Now if she disconnects while you are in Atti mode (caused by bad compass or GPS issues), then that'll usually end in an attempted and sometimes successful fly away.

That sounds real good. :-)
Try to give some advance notice.
I'll want to get this thing flying good first. To get some productive / fun time in.

Flew again last night.
Interesting as I forgot my spare S4, which has been cleaned up a bit and seemed to runthe Spark without the latency problems.
Therefore i was relegated to using my normal S4, which is not as "freed up".
Result: No loss of signal
Lots of latency issues.
Could not even read the image on the screen, m ost times, due to it being only half an image.
Kept getting "Gimbal overload" messages, so I did not know what I was taking pictures of.
On it's own it left "beginer mode".
Although RTH when battery is low, was set. When battery was almost dead it had not RTH. I had trouble getting it to respond, and almost had a crash from about 150'.
Got some interesting pictures of a large bonfire. The cops and firemen recruited me to do a roof of school buildings search for burning embers. Now they want a drone:-)
Some kids came up to me wanting to take over the controls and fly it. I very politly said" I'm sorry I can't" They called me an "a$$hole and walked away  :-(