If the touch screen stopped working after a firmware update, it is likely due to a mismatch in the kernel or driver. Flashing a 100% verified working stock firmware, such as this official build from Huawei , can restore the correct touch drivers.
Modifying IMEI numbers can be illegal in certain jurisdictions unless you are restoring the original numbers that belong to the device. Always back up your NVRAM data before attempting these repairs. h30-u10-full-fix-imei-and-touch
For a temporary software-level fix, users can sometimes access the Android Engineering Mode by dialing a code (often *#*#3646633#*#* ), navigating to Connectivity > CDS Information > Radio Information , and manually entering the AT commands to restore the IMEI. If the touch screen stopped working after a
When a device shows an invalid IMEI, it often cannot connect to mobile networks. For the , there are two primary methods to restore it: Always back up your NVRAM data before attempting
The is a Mediatek-based (MT6582) device that often encounters issues like "Invalid IMEI" or touch screen unresponsiveness after improper flashing or software corruption. Fixing these problems generally requires a combination of specific firmware restoration and specialized repair tools. Fixing "Invalid IMEI" or "IMEI Null"
can be either software-related (driver incompatibility) or hardware-related.