M620 pls wait format ffs by z3x done...
 

m620 pls wait done but sorry w/o screen shot

here is the procedure w/new idea
due to sometimes very hard to connect properly

1. connect E210 cable usb/rj45
2. insert fully charge battery
3. power on phone
4. tic read phone
after read phone success

removed cable from phone and battery
and then insert it back usb/rj45 cable only

tic format ffs
insert battery as boot mode or power on

Selected model: M620
Selected com port: COM7
Selected speed port: 921600
Phone must be OFF with battery
Please, connect phone and press shortly power button
Syncing phone... OK
Sending loader1... OK
Syncing phone... OK
Sending loader2... OK
Syncing phone... OK
Syncing phone... OK
Flash ID: 0100003D7E22
Syncing phone... OK
Format FFS - wait...
Format FFS - ok
Elapsed time: 172 second, sw ver: 3.3 beta 0018
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thanks for new update by the team

br

venuno