alcatel onetouch 5042t t-mobile lock, unlock ok but stuck in gmail

the phone is working fine before except that it was locked in t-mobile USA

i downloaded this file in support site reset_5042T.rar to unlock this phone

but after unlocked, i saw the signal then its OK, but when i need to activate it

it says : verify your account>>>>>this device was reset (due to this file reset_5042T.rar)to continue, sign in with a google account that was previously synced on this device

i made some steps but all are not helpful

1. hard reset>>>wipe cache/factory reset
2. flashing thru nck…i used this file from support ot-5042t_SWA33_um00withoutSIMMELOCK
3. try to reset FRP
4. try reset privacy
5. even i used APK file to bypass it using OTG flash drive

but nothing happens

i am screwed with this problem, and the customer got angry, he wanted to be as the same as before

any help from product supporter or anyone is welcome