No VoLTE option and cannot update to A version in L681H m3 Note
Meizu m3 note

I bought this phone few days ago and really thought of having the VoLTE option, but none as such found.
Also when trying to update it to A firmware. The file is corrupted is being shown as an error.
Presently using G
Please help !!


The “H” (global devices) cannot move to the A firmware, due to a lock applied in the bootloader/recovery.
So far there is no bypass for it.

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