A: No. The IMEI tool writes numbers; it cannot disable physical hardware SIM slots.
This guide is for educational and repair purposes only. Verify your local laws regarding IMEI modification before proceeding. redmi 9 imei repair unlock tool
A: You need to restore the modem configuration using the "NVRAM Backup" you should have made before rooting. Without it, you must re-flash the full stock ROM via SP Flash Tool (using "Download Only," not "Format All"). Verify your local laws regarding IMEI modification before
One day, you might wake up to find your phone showing “No Service,” “Invalid IMEI,” or “IMEI = Null.” You can connect to Wi-Fi, but you cannot make calls, send texts, or use mobile data. This happens due to a corrupted NVRAM (Non-Volatile Random Access Memory) partition, often caused by a failed firmware flash, an OTA update glitch, or accidental partition wiping via custom recovery (TWRP). One day, you might wake up to find
Before attempting any repair, try a simple Factory Reset . In rare cases, a misconfigured network settings file causes the "Invalid IMEI" error. If that fails, proceed with the tools above.