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If you encounter a stubborn model, don't panic. Reflash the stock firmware (Pac file via ResearchDownload) to restore the baseband, then immediately use UMT for IMEI repair. With this guide, you are now equipped to handle any SPD IMEI issue that walks into your shop.
In the world of mobile phone repairing, two things often strike fear into the heart of a technician: a dead boot and a null IMEI. For Spreadtrum (now Unisoc) based devices, losing the IMEI number is a common firmware glitch that turns a smartphone into a useless media player. spd imei repair umt tool
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