Unlocking Sony Xperia Z4 SOV31

For unlock Sony Xperia Z4 SOV31 following options are available. If you don't know which option use for unlock your phone, please contact us. We will help you choose the right product for your phone.

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UNLOCK Sony Xperia Z4 SOV31


What our customers say about unlocking

  • Thanks a lot

    Sohei - 2016-04-12 02:10:11

  • Excellent

    Yasuaki - 2016-02-25 11:00:04

  • I was able to unlock Thank you

    HIDEKI - 2016-01-08 15:40:22

Unlocking instruction for Sony Xperia Z4 SOV31 ?

How to enter a network unlock code in a Sony Xperia Z4 SOV31:

1. Turn on the phone with an unaccepted simcard inserted (simcard from a different network)
2. Phone should ask for network unlock code
3. Type NCK code in order to unlock the main network like T-Mobile, Orange etc.
Type SPCK code if the phone is locked in a subnetwork like Tesco.

How to check SONY Xperia Z4 SOV31 code counter:

1. Turn on the phone whithout sim card
2. Type *#*#7378423#*#*
3. Select Service info
4. Select SimLock
5. Check where is X
6. If X is on NETWORK, SUBSET or PROVIDER and value is more than 0, you can unlock your phone.
7. If it is 0 unlock by code is NOT possible. The counter is blocked.

If the code counter shows all 0 it cannot be unlocked, because there are no tries left to unlock it.

Sony Xperia Z4 SOV31 counter

Second way to check counter

1. Turn on the phone whithout sim card
2. Lock screen
3. Press sequence: Menu, Back, Back, Menu, Back, Menu, Menu, Back
4. Select Service info
5. Select SimLock
6. Check where is X
7. If X is on NETWORK and value is different than zero, you can unlock your phone.
8. If it is zero unlock by code is NOT available. The counter is blocked.

Network unlock code or Sim pin network code is a special type of code which removes the network blockade from your Sony Xperia Z4 SOV31.
These messages will appear on the screen of your Sony Xperia Z4 SOV31 when you insert an unaccepted simcard.
Sony Xperia Z4 SOV31 has a limited amount of unlocking attempts. Usually all Sony Xperia Z4 SOV31 have 5 tries. If your Sony Xperia Z4 SOV31 has a blocked code counter, there are no tries left, you cannot unlock this device by code.
Important !!! Sony Xperia Z4 SOV31 with a blocked code counter will still ask for a network unlock code.
Even if you enter the correct code it won't work with a blocked code counter.

The code counter can be reset only by an official Sony service.
Sony Xperia Z4 SOV31 needs different types of unlock codes to remove the network blockade.
One of these codes is a NSCK code which is used in most Japanese networks like Docomo, Softbank etc.
Those networks cannot be unlocked with the standard NCK code.
Sony Xperia Z4 SOV31 usually asks for this code as soon as you insert an unaccepted simcard ( from a different network ).


2018-09-10 03:24:09 pinking

It was difficult for me, I thought it was a very good service.

2017-11-18 12:30:56 TEITOKU

Very good.

2017-10-04 16:41:07 Rupika

I was able to unlock Z4 SOV 31. Thank you very much.

2016-10-25 15:37:48 Tomoyuki

I could unlock my phone surely by yor service. Very fast shipping made me happy. Thank you so much.

2016-04-12 02:10:11 Sohei

Thanks a lot

2016-02-25 11:00:04 Yasuaki


2016-01-08 15:40:22 HIDEKI

I was able to unlock Thank you