20 Most Recent Sony Xperia Z1 Black Smartphone - Unlocked 2.2 GHz Quad-Core Processor, 2 GB RAM, 16 GB Internal Storage, microSD Slot, Android 4.2, 4G, 20.7 MP Camera - Page 6 Questions & Answers

I suggest you can approach Simpleunlocking.com and specify the country,locked network of Sony Xperia Z2 .Based on the availability you can get the permanent unlock service along with free instructions.

If you have already tried going to settings > about phone (back up and reset> to no avail. hook up to your pc and install xperia companion . the on screen repair software or back up restore should work for up. If you intend to do a full hard reset to delete all data gran . if not do a seperate back up to a sub folder or sd stick. Hope this helps

Hi. you need to let the battery run down and out. dont connect charger but hook up to your pc via sony companion . let your pc find device , go to software repair and let it clean and reboot itself, it may take a while but it should restore all systems. hope this helps. if till no joy go directly to sonymobile.com/systemrepair

Hi need more info here to unlock ? network or security

hi have you tried factory reset and then updating software via sony companion

Hi disable all apps that you dont use uninstall where possible, then turn on stamina mode drain the battery completely then charge up over night

Hi have you tried downloading your network providers settings via sms.

Electronics issue. Costs a fortune to repair.

Corrupt files

1 Check your cable or phone charger or change another charge 2 Sony Aqua have a problem with Pin or can't charge

Hi, Sean Assuming the phone is a screen lock and not a SIM lock and that you have setup a google account on the phone try this: Keep trying the screen pass code till the phone get's locked then you should have the option to reset it via the google account.

check new battery if its still not working go to a celphone repair shop, your phone needs to be flash. they will re-program your phone

• you have to do a factory reset and download the new app and also you can update your application