Generally negative
Multiple users had trouble with the SIM card, including one warning it won't work if inserted before first powering on the phone, and others unable to locate or open the SIM tray.
Strongly criticized
Users report the phone is slow to open and close apps, with one calling it the worst phone they've owned. Another noted the device moved badly even for basic tasks like WhatsApp messaging and calls.
Frequently criticized
Some users hit repeated errors when trying to add a Google Account, while another got stuck being asked for a previously synced Google Account with no option to enter a password.
Frequently criticized
Xiaomi's own Store and Themes apps were found to silently replace a custom alarm ringtone with a default Xiaomi tone, causing the user to be late for work. The user had to uninstall both apps to stop the interference.
Frequently criticized
One user experienced an unresponsive or laggy touchscreen, which they traced to the display backlight being set too high. Lowering the brightness reportedly fixed the touch interference.
Generally negative
One user reported not having a 'special feature' in the settings menu that they expected to find on their Redmi 9AT, suggesting inconsistency in software features across units.