Repairing an IMEI on Chinese keypad mobiles typically involves using specialized software tools designed for devices with MediaTek (MTK) or Spreadtrum (SPD) chipsets. These tools are primarily used to that have become corrupted or display as "Invalid" or "Null" due to software errors . Popular Software Tools
But Jing's success didn't go unnoticed. A rival repair shop owner, named Tony, tried to steal Jing's tool and replicate it. Tony offered Jing a large sum of money to buy the IMEI Rescue Master, but Jing refused. china keypad mobile imei repair tool
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