As esim qpe unlock just for iphone12-15 , Many customers want a more stabe solution for under iphone12 ,
R-SIM15 ultra is recommended .
More stable unlock solution for 7-x-12 TMSI
Create Custom Firmware
Set up custom parameters
Set up the title of the skt menu
Compatible IOS14 to IOS 17
R-SIM15 ultra is a mix Unlocking Card , support cut for under iphone x/8/7/6/5
More details:
https://www.rsim5.com/instructionview.php?id=76