Разблокируйте по мой телефон от вашего оператора, вот мой номер телефона iPhone xr 357332097653287 series DNPXQ7GQKXKQ

The phone is blocked.

357332097653287 разблокируйте пожалуйста 

It can't be unlocked because it's blocked for non payment or reported lost or stolen.

How can it be like this if I have been using it for 3 years? I bought it new in the store

Did you buy it from a Tmobile USA store?

Yes

Hello!
My phone is locked to your carrier, please unlock it
iphone 6 16gb
model number MG542LL/A
IMEI 359236064207779
Thank you in advance for your help.

Здравствуйте!
Мой телефон заблркирован под вашего оператора, прошу разблокировать его
iphone 6 16gb
номер модели MG542LL/A
IMEI 359236064207779
Заранее благодарю вас за помощь.

Hello! iPhone 12 pro
Serial number - DNPDR1HZ0D81
Imei - 356683114400461
Please unblock it

You need to be a Tmobile USA customer and meet the requirements in the link below. If you never were a Tmobile USA customer then they can't help.

https://www.t-mobile.com/responsibility/consumer-info/policies/sim-unlock-policy

Hello all.

Unlocking the device is such a great capability because then you can use it anywhere any time. Unfortunately, we do not have account access to unlock devices through the Community. This is a customer forum where people can connect and share knowledge. 

Before reaching out, you can review our unlock policies that @gramps28 has kindly shared above. If you have more questions about unlocking your specific device, you will need to reach out to us by giving us a call or sending us a message on Facebook, Twitter, or the T-Mobile app.