Data drop to E

[GameSky]

After new upgrade to oneui 4.0.. 

Switching off wifi will cause data lost and drop to Edge, sometime even automatically drop to Edge for no reason

[kienee]

Same here.
My phone been drop to roaming status and need to open airplane mode to get back data connection.

[kienee]

Some times wifi also auto disconnect.

[GameSky]

yeah kinda annoying...previously at my workplace it's fine no issues

after upgrade to android 12 oneui4... network keep dropping

[kienee]

I also find out when read your post

[Reshsu]

Same to s21ultra

[GameSky]

just confirmed with my friend's s21 ultra as well, same issue

[kienee]

Seems like is bug for major update.
And I found out when received wechat message while playing phone will laggy.

[mirul]

luckily i check here first before updating my phone

[Reshsu]

After dual whatsapp issue, after update new 12 android battery drain fast and network drop