How To Unlock Telstra Flip 2 (Also known as ZTE T21) by Unlock Code.

Why unlock my ZTE T21 phone?

The unlocking service we offer allows you to use any network providers SIM card in your ZTE T21. this involves unlock code which is a series of numbers which can be entered into your mobile phone via the key pad to remove the network restriction and allow the use of other domestic and foreign networks.

ZTE T21 (Also known as Telstra Flip 2)
ZTE T21 (Also known as Telstra Flip 2)

How Do I unlock my ZTE T21?

Unlocking a ZTE T21 mobile phone is easy as making a call. Please follow these steps :

  1. Get the unique unlock code of your ZTE T21 from here
  2. Take out the original SIM Card from your Phone.
  3. Insert a non-accepted SIM Card.
  4. Turn on phone.
  5. Now, you should see a box to enter the unlock code.
  6. Enter the unlock code and click OK.

That’s all. Congratulations, enjoy your unlocked ZTE T21 on all networks, worldwide.


  • All carriers are supported for unlocking (Telstrea, Optus, Vodafone, AT&T, T-Mobile, MetroPCS, Orange, O2, 3 UK, Virgin mobile, Rogers, Fido, Bell, Telus, SFR, Bouygues, Movistar, TIM, TMN, A1, Telekom, etc…)
  • The unlocking process is permanent. Once you unlocked your device, you won’t need the unlock code anymore.
  • Telstra ZTE T21 mobile phone is also known as Telstra Flip 2.