[sm-t350]Can not turn on wifi - Samsung Galaxy Tab A series Questions & Answers

After I downgraded from official android 7.0 to official android 6.0, I can use bluetooth and GPS normally. When I try to turn on the wifi switch, it always slides to the "off" side.What can I do:crying:

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Unable to turn radio on

Hello there,
I have had this issue for some time now and hence not used the phone since then.
Now I see that the device is supported by LOS 16.0 and this has awaken my interest to see whether the device is salvageable or not.
Is there any guide or any information on how I can wake the radio up?
Thanks for anything you can offer
axolotl98 said:
Hello there,
I have had this issue for some time now and hence not used the phone since then.
Now I see that the device is supported by LOS 16.0 and this has awaken my interest to see whether the device is salvageable or not.
Is there any guide or any information on how I can wake the radio up?
Thanks for anything you can offer
Click to expand...
Click to collapse
Is there any error message? What device firmware is running? Is it bootloader unlocked? Rom version?
It is really simple. The phone cannot be used as the radio seems to be permanently off. It is as if the flight mode is activated, but the flight mode is not activated. As soon as I enter the SIM card, it asks for the PIN code and the radio remains off. As the bootloader is unlocked I have tried several months back to install other OS, but was not successful in getting the radio to work . At the moment it is on Cyanogen oS 12.1-YOG4PAS3AJ on Android 5.1.1
axolotl98 said:
It is really simple. The phone cannot be used as the radio seems to be permanently off. It is as if the flight mode is activated, but the flight mode is not activated. As soon as I enter the SIM card, it asks for the PIN code and the radio remains off. As the bootloader is unlocked I have tried several months back to install other OS, but was not successful in getting the radio to work . At the moment it is on Cyanogen oS 12.1-YOG4PAS3AJ on Android 5.1.1
Click to expand...
Click to collapse
What other roms did you tried? Latest available ZUI?
strongst said:
What other roms did you tried? Latest available ZUI?
Click to expand...
Click to collapse
I will try today with ZUi 2.5.414 and repost
Well, after some time I managed to install ZUI 2.5.414 and then LOS 15.1-20190225-Nightly.
The phone works like a charm...but the radio seems tostill be off. It recognizes the SIM, it asks for the PIN, but signal is zero, no data connection. As soon as I try to place a call, the message "Turn off he airplane mode to make a call" pops up, even though the airplane mode is not on...what a shame...
axolotl98 said:
Well, after some time I managed to install ZUI 2.5.414 and then LOS 15.1-20190225-Nightly.
The phone works like a charm...but the radio seems tostill be off. It recognizes the SIM, it asks for the PIN, but signal is zero, no data connection. As soon as I try to place a call, the message "Turn off he airplane mode to make a call" pops up, even though the airplane mode is not on...what a shame...
Click to expand...
Click to collapse
You can try the qpst/qfil rom https://forum.xda-developers.com/zuk-z1/help/zui-rom-qpst-qfil-fastboot-issue-t3632025/post74256368 maybe this helps you
Thanks. Actually the ZUI was installed using QFIL. Unfortunately the radio remains inactive

Bluetooth keeps turning off randomly

Hello everyone,
From about one year, the bluetooth turns off randomly. Usually, I got prompted to close the "Bluetooth service" because is not responding. After closing it, it restarts and connects automatically to the bt device that I'm using (most of the times). I had this problem since I've installed the LineageOS 16 ROM (I had also a wifi problem with that ROM tbh). So I've tried others ROMs, but the problem still remains (with some distro, I was forced to restart the device to get the bluetooth work again). Now I've the Resurrection Remix Pie Ver. 7.0.2 (klte). Have you got any idea on how to solve this problem? Or maybe there is a ROM that hasn't this issue?

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HELP!! Eternet settings on my car navi after update.

Hello!
I have an PX5 carnavi and it cames with Android 9. Radio is not working and I make an updaet to Android 10 (from the seller).
I have a problem now.
After install, i shut it down and restart. In that moment appear that sign „ <...> „ and the wifi could not connect to the network.
Could anyone tell me what to do and what is the problem?
I do not have done any update of other software. Just install, shutdown and open.
Thanks!

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