SIM_FIX_Xiaomi 15/15 Ultra

[gogocar62]

this fix is for global devices

Xiaomi 15 (dada): https://www.mediafire.com/file/o9uo8tbtpew630c/DADA_modem_global_A15.zip/file
Xiaomi 15 Ultra (xuanyuan): https://www.mediafire.com/file/77osevt5r9cynx3/xuanyuan_global_A15.zip/file

Install in fastboot:
1. Unzip the ZIP file on the PC
2. Connect the mobile phone in fastboot mode to the PC
3. If you are using a Windows PC - Run the installation with the "install_modem" script (select the installation script according to your PC OS)
4. wait for the mobile to reboot into the system
5. done