Zte Mc801a Firmware Flash Review
So you flashed the wrong firmware, and now the router is dead (no lights, or only a red LED). Don't panic.
Before writing new firmware, do this:
Yes, if:
No, if:
Why this matters: mismatched firmware is the most common cause of permanent failure. zte mc801a firmware flash
This method only works for signed firmware matching your region/carrier.
Check the sticker underneath. Look for:
Different hardware revisions need different firmware.