A: Rarely. The DIAG port is locked from the factory. Technicians must use an EDL firehose loader (signed by Qualcomm), which is expensive to obtain.
: In many regions (e.g., USA, UK, EU), changing or altering an IMEI is illegal and can lead to criminal charges. It is generally only permissible to the original IMEI that came with the device. Risk of Damage qcn imei repair tool
MediaTek chips (Tecno, Infinix, older Realme, OPPO). Price: Free/Leaked versions available. Compatibility: MTK processors only. A: Rarely