Why? Xiaomi introduced a on the Nvram partition starting with this device. Writing a generic IMEI without the correct digital signature will trigger the Anti-Rollback (ARB) feature. The phone will permanently lock its bootloader and display: “System has been destroyed.” You will need a full EMMC programmer (expensive hardware) to recover.
The keyword includes the terms and "moon," which might appear cryptic but point to very specific real-world issues. After searching the latest service forums and technician discussion boards, I uncovered an exclusive link: Xiaomi Redmi 13 -tides-moon- Nvdata Nvram Fil... -EXCLUSIVE
Click on the path location for nvdata and select the nvdata.img you extracted. Step 3: Flash the Files Click the button in SP Flash Tool. Turn off your Redmi 13 (tides-moon) completely. The phone will permanently lock its bootloader and
Execute the flash_all.bat script to restore the entire operating system to standard working parameters. Step 3: Flash the Files Click the button in SP Flash Tool
If you own or repair a Redmi 13, recognizing the Tides-Moon codename means you're dealing with a MediaTek Helio G91 Ultra platform, which requires specific, targeted approaches for NV-level repairs.