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[Bug] USB debugging mode bug — Mi A2 Lite/RN7/POCO F1/Mi A1

2019-08-21 12:59:43
192 4
Full text of the problem (please read all):
USB debugging mode doesn't turn off completely after disabling it in developer's menu. Some games with anti-cheat system are detecting USB debugging (for example Fate/Grand Order), however it is turned off! I know 3 people with Mi A2 Lite who have the same problem. After some research I found that POCO F1 and some other phones also have this bug. It is not the problem with those applications, I tested it on several devices.
I sent my first report through the Feedback App — still no response.
Phone: Xiaomi Mi A2 Lite 3/32 (10.0.4.0 or newer firmware)
Other affected phones (exactly the same problem):
Redmi Note 7
POCO F1
Mi A1
How to replicate the bug:
1. Install 10.0.3.0 or older firmware. (this step can be skipped maybe)
2. Install a game/an app with anti-cheat system which can detect USB debugging.
3. Update to 10.0.4.0 or newer firmware
4. Enable and disable usb debugging in developer's menu
5. Open the game/app and it's anti-cheat system will throw an error that USB debugging is enabled

Solution: hard reset or downgrade to 10.0.3.0 (only for Mi A2 Lite). If hard reset, never touch usb debugging mode again.

Please do something, I'm in despair. I'm afraid of updates because of this bug. What if I wouldn't be able to install Android 10 because of this? The last update I checked was the June's one (with no fix of course). Don't know if it was fixed in August update.Sorry for my English by the way.

Links:
First bug report I sent: ID: 502140023
Bug report on Xiaomi forum: http://en.miui.com/thread-5879883-1-1.html
Same problem with POCO F1 (not my report): https://en.miui.com/thread-5219244-1-1.html
Same problem with Redmi Note 7:http://en.miui.com/thread-6254232-1-1.html
My another report on Xiaomi forum:http://en.miui.com/thread-6983561-1-1.html
My topic on mi community, two persons confirmed it:https://c.mi.com/thread-2267289-1-0.html
Another topic about POCO F1 and RN7:http://en.miui.com/thread-4945456-1-1.html
My another bug report:ID: 502769430
2019-08-21 12:59:43
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Feedback Team

snsrkr | from app

#1

Dear user
Thank you for your report, I'll discuss about it and get back to you shortly
Thank you
2019-08-21 13:18:22

Rookie Bunny

AvianTerra Author | from Mi A2 Lite

#2

snsrkr
Dear user
Thank you for your report, I'll discuss about it and get back to you shortly
Thank you

Hi! Is there any news about the problem? Looking forward to hearing from you. Thanks.
2019-08-24 07:41:27

Feedback Team

snsrkr | from app

#3

AvianTerra
Hi! Is there any news about the problem? Looking forward to hearing from you. Thanks.

Dear user
kindly ask about this in the device specific sub forum, specific device team member will help you
Thank you
2019-08-24 22:41:56

Rookie Bunny

AvianTerra Author | from Mi A2 Lite

#4

snsrkr
Dear user
kindly ask about this in the device specific sub forum, specific device team member will help you
Thank you

I haven't seen any team members in Mi A2 Lite subforum for ages. I made a topic similar to this a month ago.
Now I'm lost. Nobody wants to help me, guess this bug will never be fixed. I'm sending bug reports every month — no one wants to read them. I'm emailing your team — "we will take a note about this problem thanks" — and no fix for five months. Seems Xiaomi only work on MIUI. Would never buy any Xiaomi phone because of the best support team and best bug tracking service in the world.
2019-08-25 14:11:39
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