How To Take The Back Off My Samsung Phone. Reinstall start at the top of the phone slide it over the power button first then pop it back on all the way down. It does take some force to get it to release.

Gently pry around the edges of the back glass all the way around the phone. You can find prying tools for phone cases at most tech supply stores. Use the pin tool that came with your phone to take out the SIM card tray.
Slip it in then slide it all the way around the phone.
Use these options to shut off your phone if it doesnt have a dedicated Power key. Put the tray back to its place and press to lock it in. Samsung How to open 17-04-2020 Detailed instructions how to remove the back panel of Samsung Galaxy A21 safely. Peel slowly and gently.

