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OTG Cable or WIFI?
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3255 68 2017-7-28 17:06:20
jefflee
lvl.1
Flight distance : 6378
United States
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I have only had my DJI Spark for a couple weeks and do not have an OTG Cable to connect to my RC. It seems like most experienced users are using this configuration, though. Besides making it quicker for intial setup (not having to worry about going in and selecting a wifi-network every time) are there other benefits?
2017-7-28 17:06:20
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RoyTeo
lvl.2
Flight distance : 11159
Singapore
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I use the OTG since day 1. Also because I couldn't get the wifi to connect properly or seamlessly. Takes too many steps and OTG minimizes dual wifi operating at once..maybe that is psychologically better
Also, because I turn my phone into flight mode, all signals are off, leaving only the Remote WIFI to the AC WIFI turned on. Maybe that's better..
But still, I get choppy video, no disconnect, just choppy video occasionally so maybe there's no difference with OTG at all..it's just much easier to set up...just plug in, it auto launch the app, and auto connect..no meddling with wifi connections
2017-7-28 17:21:47
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PascalG
lvl.3
Flight distance : 54838
United States
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I also exclusively use otg.  It just makes more sense as you can put the phone in airplane mode and kill any signal that could possibly interfere with the RC link.  Also, I can't help but wondering if having the RC broadcast two signals, one to the drone and one to the controller doesn't somewhat affect the strength of the signal going to the drone, I know it's speculation and  I guess it depends on how the wifi module is set up on the RC.  Just works for me
2017-7-29 04:26:22
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Bradders
Second Officer
Flight distance : 208439
United Kingdom
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OTG Defiantly, this is the one I use http://amzn.to/2v9hlO3
2017-7-29 05:39:52
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lafoto
lvl.4
Flight distance : 423460
Portugal
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I use OTG since day 1. But today i lost signal!!!!! don't know what happened...
2017-7-29 06:19:29
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Jeff68
lvl.1
Flight distance : 23603
Taiwan
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I have found out the OTG not working well on my iPhone SE. But honestly I never have problem with wifi connection. And I never check what app working on the background and never turn off Bluetooth or set Ton An St. airplane mode. It also work perfect.
2017-7-29 07:19:01
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fansa7dc5944
Second Officer
Flight distance : 15541
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Thailand
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I do not use OTG cable at all. I never have issue with signal strength nor video feed quality. I use the Lightning port to connect to my Goggles via Lightning Digital AV cable.
2017-7-29 07:53:23
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fans9ff6d142
lvl.2
Flight distance : 17836
United States
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RoyTeo Posted at 2017-7-28 17:21
I use the OTG since day 1. Also because I couldn't get the wifi to connect properly or seamlessly. Takes too many steps and OTG minimizes dual wifi operating at once..maybe that is psychologically better
Also, because I turn my phone into flight mode, all signals are off, leaving only the Remote WIFI to the AC WIFI turned on. Maybe that's better..
But still, I get choppy video, no disconnect, just choppy video occasionally so maybe there's no difference with OTG at all..it's just much easier to set up...just plug in, it auto launch the app, and auto connect..no meddling with wifi connections

When you turn your phone into airplane mode how does the app get the map data? Wouldn't you be looking at blank map? Same thing for people that fly with wifi iPad.
2017-7-29 08:00:18
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FatherXmas
lvl.4
Flight distance : 180606
United States
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fans9ff6d142 Posted at 2017-7-29 08:00
When you turn your phone into airplane mode how does the app get the map data? Wouldn't you be looking at blank map? Same thing for people that fly with wifi iPad.

That's why I use OTG with my WiFi iPad mini 4, so I can get maps. I know you can turn on offline maps but that involves extra steps - connect to internet WiFi, start GO, navigate to where you're flying, leave Go on so it doesn't forget the maps, connect to RC WiFI. It's a lot easier to turn it all on, plug in the cable and fly.
2017-7-29 08:34:59
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frank.owen
lvl.2
Flight distance : 44761
United States
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One other advantage of OTG is reduced latency. I measured about 180ms with OTG vs. 260ms with Wifi.  (80ms less). For me, this is really not that big a difference, and I just go with Wifi to avoid hassle of using the cable.
2017-7-29 11:01:00
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insippo
lvl.1
Flight distance : 13624
Estonia
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WIFI is good for connecting.
2017-7-29 11:53:30
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Buzzyone
lvl.4
Flight distance : 285628
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United Kingdom
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Tried OTG, tested in open countryside and urban environment, using iPhone 7 Plus as far I can see it makes no difference. Range was the same.
2017-7-29 12:39:19
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fans909d0edb
lvl.2
Flight distance : 5933
United States
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What type / brand of OTG cables are best for Android phones
2017-7-29 12:49:03
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nucmanchh
lvl.3
United States
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OTG from day one. No problems. I use Gesture mode when I want to show the Spark to a friend. They are always amazed. But that's the only time I fool with it. As for the rest of the Intelligent mode...never use
2017-7-29 13:21:37
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fans3fcfd5ff
lvl.1
United States
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Bradders Posted at 2017-7-29 05:39
OTG Defiantly, this is the one I use http://amzn.to/2v9hlO3

The Amazon page specifically says that this cable is NOT for the Spark.   Did you find some other info that led you to purchase?

Thanks
2017-7-29 15:26:41
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PascalG
lvl.3
Flight distance : 54838
United States
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I often fly it in areas with no cell or wifi so I ve never used the map and like having the phone in airplane mode. I also always do a phone shut down and restart before the first flight . I do pay attention to the arrow on the "radar" scope and to the data (distance and altitude). I don't need the map
2017-7-29 15:49:41
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Lucas775
First Officer
Flight distance : 1017162
Canada
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After the latest firmware I was able to spend some time flying the Spark today.  Second battery I flew with OTG cable and reached 2000 ft away before loosing video and the third battery I flew with wifi I lost video after just 200 ft I was flying in a residential area as well.
2017-7-29 20:30:44
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amd
lvl.2
Flight distance : 70511
Lithuania
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fans9ff6d142 Posted at 2017-7-29 08:00
When you turn your phone into airplane mode how does the app get the map data? Wouldn't you be looking at blank map? Same thing for people that fly with wifi iPad.

You can download all maps for offline use, so no need to have internet, when flying.
2017-7-29 20:41:50
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amd
lvl.2
Flight distance : 70511
Lithuania
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amd Posted at 2017-7-29 20:41
You can download all maps for offline use, so no need to have internet, when flying.
[view_image]
repeating photo link :/
https://pixhost.org/show/356/47942700_2017-07-30-07-39-51.png
2017-7-29 20:44:24
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DJI Thor
Administrator
Japan
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Actually, the connection between the Spark RC and the mobile device via OTG cable has not been fully tested, so I would suggest that you use it with caution.
2017-7-30 01:44:15
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Matioupi
lvl.4
Flight distance : 198904
France
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DJI Thor Posted at 2017-7-30 01:44
Actually, the connection between the Spark RC and the mobile device via OTG cable has not been fully tested, so I would suggest that you use it with caution.

Sorry to be a little sarcastic, but do you consider the WiFi channel selection in Europe was tested more or less than OTG before releasing Spark ?
2017-7-30 01:47:30
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DJI Thor
Administrator
Japan
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RoyTeo Posted at 2017-7-28 17:21
I use the OTG since day 1. Also because I couldn't get the wifi to connect properly or seamlessly. Takes too many steps and OTG minimizes dual wifi operating at once..maybe that is psychologically better
Also, because I turn my phone into flight mode, all signals are off, leaving only the Remote WIFI to the AC WIFI turned on. Maybe that's better..
But still, I get choppy video, no disconnect, just choppy video occasionally so maybe there's no difference with OTG at all..it's just much easier to set up...just plug in, it auto launch the app, and auto connect..no meddling with wifi connections

Also, check the magnetic or wireless interference of your flight environment. Besides, I don't know if all signals off also including Bluetooth, it will cause the choppy transmission, too, so please try to shut down the Bluetooth device like the watch, etc..
2017-7-30 01:48:49
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DJI Thor
Administrator
China
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lafoto Posted at 2017-7-29 06:19
I use OTG since day 1. But today i lost signal!!!!! don't know what happened...

Please check whether you had used the WiFi mode to control the drone by phone before you lost the signal, if you had, try to reenter to RC mode and link the drone and the controller again.
2017-7-30 01:55:03
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hallmark007
Captain
Flight distance : 466289
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Ireland
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DJI Thor Posted at 2017-7-30 01:44
Actually, the connection between the Spark RC and the mobile device via OTG cable has not been fully tested, so I would suggest that you use it with caution.

I have tried both OTG and wifi, there is no difference, spark to RC is working like a dream for me, and no cables is something I don't miss.
2017-7-30 01:57:06
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Bradders
Second Officer
Flight distance : 208439
United Kingdom
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fans3fcfd5ff Posted at 2017-7-29 15:26
The Amazon page specifically says that this cable is NOT for the Spark.   Did you find some other info that led you to purchase?

Thanks

Oh, I never noticed, I have this cable and it works perfectly
2017-7-30 02:28:13
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lafoto
lvl.4
Flight distance : 423460
Portugal
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DJI Thor Posted at 2017-7-30 01:55
Please check whether you had used the WiFi mode to control the drone by phone before you lost the signal, if you had, try to reenter to RC mode and link the drone and the controller again. https://www.youtube.com/watch?v=csrYBJ3olcs&list=PL8-vxWY64sBNIrePb_pR6Rd2Cp8GaKa_i&index=5

Thanks...
It didn't happened again...
I did more 12km with the spark and no problems...
2017-7-30 09:08:38
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RGMGFitness
lvl.1
United States
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American consumer here.  I ordered this cable for my SPARK (just in case).  My SPARK is expected to be delivered in next few days and just didn't want to be waiting on a cable should one be needed.

https://www.amazon.com/gp/produc ... 0?ie=UTF8&psc=1

2017-7-30 09:36:53
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mtnlandpix
lvl.4
United States
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US here. No problem with WiFi.  I see no advantage to the cable. (at least here in the US) Seems like it may be an advantage in the EU, based on forum posts.
2017-7-30 10:14:19
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DJI Thor
Administrator
China
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lafoto Posted at 2017-7-30 09:08
Thanks...
It didn't happened again...
I did more 12km with the spark and no problems...

Thanks for the feedback. Should you have any further questions, please feel free to contact us. We'd glad to help.
2017-7-30 20:10:35
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jefflee
lvl.1
Flight distance : 6378
United States
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Ever since I updated the firmware, I am having a lot of problems with my WIFI connection. The app says there is interference and to turn off Bluetooth. I do this and it doesn't seem to have any effect. The video often cuts out and is very choppy/lagging. Any suggestions to improve this connection without having to go to OTG?
2017-7-31 14:54:19
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RobSI
lvl.1
United States
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Quick question. When trying to connect an iPhone 7 plus to the controller via OTG cable should the WIFI symbol change the RC symbol in the DJI GO app? And as jefflee I am having the same issue with the Bluetooth.
2017-8-1 08:21:07
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bbchucks
lvl.1
Flight distance : 7893
United States
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Does this OTG to Lightning cable work with SPARK?
[url=Does this OTG to Lightning cable work with SPARK?  http://a.co/ja754j5]https://www.amazon.com/gp/product/B07214TWXG/ref=ox_sc_act_title_1?smid=A3KINGPXZ55VLF&psc=1[/url]
2017-8-1 10:48:25
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ImHereToCrash
First Officer
Flight distance : 538170
United States
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mtnlandpix Posted at 2017-7-30 10:14
US here. No problem with WiFi.  I see no advantage to the cable. (at least here in the US) Seems like it may be an advantage in the EU, based on forum posts.

US here, and OTG makes a world of difference.  every time i used my spark and RC but linked everything via Wifi i only get maybe 500-ish feet out before video start getting crap or cut and then very shortly after disconnected in my neighborhood.  going up helped. but it would still chop...   switched phone to airplane mode used OTG, and more than doubled my usable range .. in my crappy area.  my area isn't like a major city but my area is a developed area and moderate amount of wifi congestion..

having tested at a local park with less wifi interference OTG again was a world of difference.    i probably could have pushed out 1.5miles if i had that much free space to fly.. without OTG only made it to back side of the park before i get disconnected which is about a half mile from where i was... right about at tree line.   with OTG, beyond the trees across the road into the next park (a project right now) over....i only turned around because i didn't want to fly into the neighborhood behind it...
2017-8-1 11:01:50
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Charles Adams
Second Officer
Flight distance : 68178
United States
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bbchucks Posted at 2017-8-1 10:48
Does this OTG to Lightning cable work with SPARK?
http://a.co/ja754j5]https://www.amazon.com/gp/product/B07214TWXG/ref=ox_sc_act_title_1?smid=A3KINGPXZ55VLF&psc=1[/url]

No idea, but I bought an android version to try.  I currently have to string two cables together to make the OTG connection to RC.  It would be nice to eliminate a cable.
2017-8-1 11:04:57
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mtnlandpix
lvl.4
United States
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ImHereToCrash Posted at 2017-8-1 11:01
US here, and OTG makes a world of difference.  every time i used my spark and RC but linked everything via Wifi i only get maybe 500-ish feet out before video start getting crap or cut and then very shortly after disconnected in my neighborhood.  going up helped. but it would still chop...   switched phone to airplane mode used OTG, and more than doubled my usable range .. in my crappy area.  my area isn't like a major city but my area is a developed area and moderate amount of wifi congestion..

having tested at a local park with less wifi interference OTG again was a world of difference.    i probably could have pushed out 1.5miles if i had that much free space to fly.. without OTG only made it to back side of the park before i get disconnected which is about a half mile from where i was... right about at tree line.   with OTG, beyond the trees across the road into the next park (a project right now) over....i only turned around because i didn't want to fly into the neighborhood behind it...

Great that the OTG cable works for you.  Since we can only fly line of sight in the US, the wifi connection works wonderfully for me.  I don't think I could see the Spark more than 500 feet away at the most.  I have never had signal interuptipn on wifi.
2017-8-1 13:12:30
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ImHereToCrash
First Officer
Flight distance : 538170
United States
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mtnlandpix Posted at 2017-8-1 13:12
Great that the OTG cable works for you.  Since we can only fly line of sight in the US, the wifi connection works wonderfully for me.  I don't think I could see the Spark more than 500 feet away at the most.  I have never had signal interuptipn on wifi.

what's actually confusing is what the real rules are of the FAA.. however as long as you have a live view, not in controlled airspace and not flying stupid,  i personally dont think it matters...  

also VLOS (visual line of sight) is very very dangerous way to fly your aircraft.   its like being drunk, greater risk of crashing..
2017-8-1 13:22:56
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Wx_Striker
lvl.2
Flight distance : 7537
United States
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fansa7dc5944 Posted at 2017-7-29 07:53
I do not use OTG cable at all. I never have issue with signal strength nor video feed quality. I use the Lightning port to connect to my Goggles via Lightning Digital AV cable.

What goggles do you use, and does it work with GO4 app or do you need a special VR app?  Want to try this.
2017-8-1 13:39:15
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rockstarinlife
lvl.1
United States
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I use OTG as well. I don't want to take any chances with the wifi signal and lose my Spark.
2017-8-1 13:48:20
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kasei
lvl.2
Flight distance : 36088
Germany
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i did use OTG before to get more range (CE 2.4) and less latency (Android honor 6x DFS problem)
but after the firmware and app update though the latency on 5G improved a lot, better than OTG2.4 but CE range is still aweful ( about 180m on open field before losing imagetransmission)
the worst is,  the way ill got OTG2.4 doesnt work anymore and when i was finally connected and in the air the app lost signal to aircraft again and again.
right now i cant trust the  app/liveview
2017-8-1 14:17:44
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mtnlandpix
lvl.4
United States
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ImHereToCrash Posted at 2017-8-1 13:22
what's actually confusing is what the real rules are of the FAA.. however as long as you have a live view, not in controlled airspace and not flying stupid,  i personally dont think it matters...  

also VLOS (visual line of sight) is very very dangerous way to fly your aircraft.   its like being drunk, greater risk of crashing..

The FAA definately thinks it matters. I have a commercial sUAV license and VLOS is a rule for me, not a suggestion.  If you are a mile and a half away from your drone, how would you know if you were on a collision course with a helicopter.  Flying where you cannot see could be very dangerous.
2017-8-1 16:39:35
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