Sorry for the inconvenience caused At present, many users report that the OTA update causes a black screen We have temporarily suspended the OTA update and are currently investigating the source of the problem and resolving it... Users who have had problems, please use USB cable to refresh the firmware, this update method will not be affected（If it can not work，please changed from normal erase to erase all at the right side of the USB burning tool） Firmware link：
Tutorial link：
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