Device not Transmitting Image: Remote Control Signal Weak

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Hi folks, resorting to my own thread as iv'e dumped too many hours into reviewing other's. I appreciate any forthcoming help.

Bird: Phantom 3 Advanced

Issues:
1. Device (Android HTC M9) is not connecting to bird - Flashing red banner in app "remote controller signal weak". (so there is no image transmission..ect)
2. Remote Controller does not appear to recognize SD card for a firmware update

Background:
1. Controller and bird appear to be linked (bird is flashing single green, controller is solid green). I can control motors from controller
2. Recently updated bird to latest firmware (v1.10.90) with success
3. DJ Go App had been re installed multiple time
4. I flew my phantom for the first time with everything working about 30 days ago

In addition here is my phone log:
--------- beginning of main

03-14 18:50:51.040 W/System (12761): ClassLoader referenced unknown path: /data/app/com.nolanlawson.logcat-1/lib/arm64

03-14 18:50:51.146 I/System (12761): exec(su @ com.nolanlawson.logcat.b.m.a:-1)

03-14 18:50:51.162 W/m (12761): Cannot obtain root

03-14 18:50:51.162 W/m (12761): java.io.IOException: Error running exec(). Command: [su] Working Directory: null Environment: null

03-14 18:50:51.162 W/m (12761): at java.lang.ProcessManager.exec(ProcessManager.java:215)

03-14 18:50:51.162 W/m (12761): at java.lang.Runtime.exec(Runtime.java:174)

03-14 18:50:51.162 W/m (12761): at java.lang.Runtime.exec(Runtime.java:247)

03-14 18:50:51.162 W/m (12761): at java.lang.Runtime.exec(Runtime.java:190)

03-14 18:50:51.162 W/m (12761): at com.nolanlawson.logcat.b.m.a(Unknown Source)

03-14 18:50:51.162 W/m (12761): at com.nolanlawson.logcat.b.w.a(Unknown Source)

03-14 18:50:51.162 W/m (12761): at com.nolanlawson.logcat.b.p.b(Unknown Source)

03-14 18:50:51.162 W/m (12761): at com.nolanlawson.logcat.d.doInBackground(Unknown Source)

03-14 18:50:51.162 W/m (12761): at android.os.AsyncTask$2.call(AsyncTask.java:295)

03-14 18:50:51.162 W/m (12761): at java.util.concurrent.FutureTask.run(FutureTask.java:237)

03-14 18:50:51.162 W/m (12761): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)

03-14 18:50:51.162 W/m (12761): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)

03-14 18:50:51.162 W/m (12761): at java.lang.Thread.run(Thread.java:818)

03-14 18:50:51.162 W/m (12761): Caused by: java.io.IOException: Permission denied

03-14 18:50:51.162 W/m (12761): at java.lang.ProcessManager.exec(Native Method)

03-14 18:50:51.162 W/m (12761): at java.lang.ProcessManager.exec(ProcessManager.java:213)

03-14 18:50:51.162 W/m (12761): ... 12 more

03-14 18:50:51.233 I/System (12761): exec(logcat -v time -d @ com.nolanlawson.logcat.b.i.a:-1)

03-14 18:50:51.266 I/System (12761): exec(logcat -v time @ com.nolanlawson.logcat.b.i.a:-1)
 

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Joined
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I lost video after updating to updated to latest firmware (v1.10.90) . Backed off to v1.6.0. Video came back. Try downgrading the firmware...
If you wish to downgrade your RC firmware, go into the front screen of the DJIGO app and at the top right hand side of the page you need to push and hold the menu, ( three lines ), to view the available downgrade options. You need to be all connected up for this to occur, and hopefully you will see the download options. Hope this helps
 
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