When buying a used phone from carrier T-mobile, you need to check its IMEI number at GSMa and T-mobile base

to Check IMEI blacklist status go to

IMEI blacklist checker or T-mobile blacklist check

Its free and easy !

Just type your phone IMEI number and wait for results.

IMEI : 353325700xxxxx
Manufacturer : Samsung
Model : Galaxy S21 5G
Blacklist status : Clean on T-Mobile US
Date of checking : 2021-10-05 11:40:37

IMEI : 35478311xxxxxx
Manufacturer : LG
Model : V60 ThinQ 5G
Blacklist status : Blacklisted
Date of checking : 2021-10-05 11:42:48

See More: Are you buying a used phone? Check IMEI Number at T-mobile base, Free IMEI check