Samsung Galaxy S21 SM-G991U1 added in Chimera Tool. Now you can easily download Galaxy S21 with device code SM-G991U1 Firmware, IMEI, and root your device by following simple steps.
Make sure to check device code before flashing your device using Chimera. Here are some of the features of Chimera tool are mentioned below.
Get Device Info
Enable DIAG Mode
FRP Remove (Premium)
RMM state remove
Repair IMEI (changing IMEI is illegal/ do it at your own risk)