A: Yes, the *#*#3646633#*#* code works on most MediaTek chips, but the AT command syntax is identical.
A: You likely lost your NVRAM calibration data (RF parameters). Run the CDS information reset in Engineer Mode, or reflash the original modem firmware. mt6580 imei repair code
Finding a functional MT6580 IMEI repair code is a common challenge for users dealing with "Invalid IMEI" errors on older MediaTek-based smartphones. This issue often occurs after a factory reset, a firmware flash, or a software glitch that wipes the device’s NVRAM partition. A: Yes, the *#*#3646633#*#* code works on most