su setprop persist.radio.multisim.config dsds Now, write your original IMEI number (find it on your box). Replace 123456789012345 with your real 15-digit IMEI.

You dial *#06# and see the horror: or IMEI: Null .

reboot After reboot, dial *#06# . If you see your correct IMEI numbers, you’re done. Signal should return in 10-15 seconds. Method 2: The Nuclear Option (QCN File – Advanced) If Method 1 fails, your nvram is fully corrupt. You need a QCN backup from another Poco X3 NFC.

echo 'AT+EGMR=1,7,"123456789012345"' > /dev/smd0 For SIM 2 (Slot 2 – replace with your second IMEI):

Published: [Current Date] Difficulty: Intermediate (ADB & root required) Time needed: 20–30 minutes The Nightmare: "I Have No Service" You just flashed a new custom ROM (Pixel Experience, crDroid, or Evolution X) on your Poco X3 NFC (surya). Everything looks great—smooth animations, new features—until you look at the top corner of the screen.