O2 say my phone is not on their locked database - Android Q&A, Help & Troubleshooting

I have a sony xz premium phone model G8141. I purchased it second hand from a business on ebay, who say it is locked to o2. This appears to be correct as there is an app called "o2 recommends", i can use o2, tesco and giffgaff sims in it, but not ee or vodafone the phone comes up requesting the unlock code. I contacted o2 to get the unlock code, but they told me that it is not on an o2 phone and is not in their database. I can go and get it unlocked at a high street unlocker, but why might the imei not be on o2 s database. Could the phone be actually locked to another network eg tesco, sky, giffgaff, lycamobile etc. Could o2 have recorded the imei incorrectly, or could the phone have been originally locked to a different network, say ee, then unlocked and then locked again, but this time to o2? Or could there be another possibility?

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[Q] SIM unlock for LEO T-Mobile???

I'm from Egypt
i've got T-Mobile HD2 and it is locked on T-mobile network
How can i unlock it to work with all networks SIM's ????
Buy a code, eBay or websites. No free unlock.
Buy a code, eBay or websites. No free unlock.
You can unlock the HTC HD2 easily using the UNLOCK CODE,You can buy the unlock code from the site Mobileunlocksolutions.com/htc-hd2/rs1wp9/ and Unlock it from Network lock,then use with any GSM Network Sim card.
I unlocked a T-Mobile USA & European HD2 here
Got codes back in under 48hrs & even contacted me to correct IMEI as I done a typo, oops ... codes worked fine & are so simple to use.

HTC 7 Mozart (UK ORANGE) Unlock problem

Hey guys,
So i have a uk model of htc 7 mozart original carrier was orange, and i wanted to unlock it and use it on O2. i purchased a $15 unlock code from online, it accepted the code but it says no service? i tried 2 different sims but same result, then i tried a tmobile(uk) sim there was signal bars but it did not let me make or recieve calls?
Anyone have an idea of what might be wrong? if the phone is unlocked after putting in the code or is it doing that because its still locked to its original carrier?
Any help is appreciated,
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what network am i on

i just brought on ebay x10i mini
but it says he tryed tmobile and orange but orange are now with tmobile uk
so i not sure what actual network its really on so i can unlock the mobile
if i used bootloader would that unlock it if not how can i check so i can get it done

[Q] New (used) 920 no / poor signal - help!

Hi all, won an eBay auction for a used 920 (uk) which is claimed to be unlocked.
Put my Vodafone sim in it, very very poor signal strength (when I get any at all) and won't make or receive calls (I get full bars on Vodafone in my location).
Put a GiffGaff sim in, exactly the same issue.
Tried manually choosing Vodafone (pre-pay) from the settings but makes no difference.
It doesn't tell me it's locked to a network, it just doesn't work.
Is this the behaviour of an EE phone and is there any way to tell if it is on EE (firmware, etc?);
Carrier: CV GB SW Variant ID 276 v03
Have been through the Nokia support chat and am about to send it back to Nokia for repair just wanted to make sure it's not an EE phone before it goes back. Nokia say according to their tool it is not locked to EE...

How can I tell which network my phone is locked to (UK)?

I've just bought a used H850 which was supposed to be locked to the EE network, but my Plusnet Mobile SIM doesn't seem to work with it (Plusnet Mobile uses the EE network). How can I check which network the phone is locked to?
Im on EE UK and so far as I know.. EE locked phones only allow T-Mobile, Orange, IKEA Family Sim... not PlusNet... PlusNet might use their towers and frequencies, but they have to be registered with EE to work on the Sims... Howver, your in luck... along with HTC phones, the LGs on EE are one of the cheapest and fastest mobiles to get unlocked
http://www.ebay.co.uk/itm/Unlock-Co...206430?hash=item4ad346b55e:g:3W8AAOxyBvZTQTRf
Ive had 5 G5s unlocked by these guys.. and all 5 times, the codes came back within 3 hours... even on a Sunday..
Be aware though, some High street trade in stores (CEX, Granger Games, GAME) have warranties and if you sim unlock the G5, it will invalidate that warranty
Good Luck
NightOrchid said:
Im on EE UK and so far as I know.. EE locked phones only allow T-Mobile, Orange, IKEA Family Sim... not PlusNet... PlusNet might use their towers and frequencies, but they have to be registered with EE to work on the Sims... Howver, your in luck... along with HTC phones, the LGs on EE are one of the cheapest and fastest mobiles to get unlocked
http://www.ebay.co.uk/itm/Unlock-Co...206430?hash=item4ad346b55e:g:3W8AAOxyBvZTQTRf
Ive had 5 G5s unlocked by these guys.. and all 5 times, the codes came back within 3 hours... even on a Sunday..
Good Luck
Click to expand...
Click to collapse
Looks like I got lucky. After a reboot I was indeed able to connect to the network. So it seems that, in my case at least, a Plusnet SIM does work on an EE-locked handset.
Just buy a 99p sim from your local home bargains/B&M Bargains and try them out.
However, I'm pretty sure that a mobile phone that is locked locked to the EE network will allow a SIM card from a mobile virtual network operator (MVNO) that uses the EE network. So Plusnet/Virgin Mobile/Asda Mobile will work in an EE locked handset, likewise an O2 locked handset will work with Tesco Mobile/GiffGaff SIM card.

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