How To Unlock Telstra ZTE Tough 4 (ZTE T55a) by Unlock Code.

Why unlock my ZTE T55a phone?

The unlocking service we offer allows you to use any network providers SIM card in your ZTE T55a. 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 T55a / Telstra Tough 4
ZTE T55a / Telstra Tough4

How Do I unlock my ZTE T55a?

Unlocking a ZTE T55a mobile phone is easy as making a call. Please follow these steps :

  1. Get the unique unlock code of your ZTE T55a 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 T55a 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 Tough 4 mobile phone is also known as ZTE T55a.