Data disappears but signal strength is still full bars

androFRUST

Senior Member
Jun 18, 2015
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Got the phone this week and a couple days ago something weird happened. I was on Wifi and when i went out of the house, the wifi obviously disconnected. When i arrived at my destination, i noticed that i had no mobile data. Thinking it was just data connection issue, i tried turning on and off mobile data in the notification shade but to no avail. I then tried doing the same with airplane mode and again full bars with no data coming through. I did a restart of the phone and same results. What i did then was a swap of a sim card with my other phone and the mobile data returned! This was an annoying fix as i had to find a sim ejector tool.

This morning, same issue happened again. The only way to get mobile data back was to swap the sim cards back and forth. I do not think this is a hardware issue as the sim cards can be read. Is this a known bug among xiaomi devices or am i missing something?