This means the phone accepted your text input but did not write it to the permanent NVRAM storage block. You must ensure you put the blank space after the AT characters before pressing send. If that still fails, you must root your MT6580 device to give the Engineer Mode menu the write-privileges it needs to change system files. The Engineer Code does nothing
Look for a pop-up message at the bottom stating or "OK" .
To help me provide the best alternative solution, could you tell me you see when sending the AT command, or if you have access to a Windows PC ? Share public link mt6580 imei repair code
Occasional system-level crashes can trigger a reset of the baseband parameters. Alternative Tools for MT6580 IMEI Repair
You can usually find your original number on the box, under the battery, or by dialing *#06# on a working device Professional Help: This means the phone accepted your text input
If you want, I can provide a step‑by‑step SN Writer workflow tailored to MT6580 with exact menu selections and typical screenshots (assuming Windows PC).
Open the tool within the software interface to safely flash the identifiers back into the hardware NVRAM logic blocks. 2. SN Write Tool The Engineer Code does nothing Look for a
(That’s star‑hash‑star‑hash 3646633 hash‑star‑hash‑star)
Load the specific "BPLGUInfoCustomAppSrcP..." database file from your device's original stock firmware package. Connect the turned-off phone to the PC via USB.