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HTC Desire - No 3G connection using Tesco sim

Started by: brianrc66
On: 11/05/2013 | 17:21
Replies: 14

by: brianrc66
on: 11/05/2013 | 17:21

I was given my son's  HTC Desire (2 yrs old) in February. He had it on a Vodafone 2-year contract, so when that ended, he did a factory reset on it and gave it to me. I put my Tesco O2 pay as you go sim card into it, that I had been using in a Nokia flip (non Android) phone, and it worked fine for a few weeks, then one day I couldn't get any sort of internet connection except via wifi. I have recently been in touch with Tesco helpline, who helped me set up the APN, but they still couldn't get the phone to connect to the internet. They said that Vodafone need to unlock it.

Is this correct, because it is only the 3G/2G connection that I can't get. Everything else is fine. Does it need unlocking? Do I need a new payg sim card? Is it a Tesco/O2 problem? Is it a Vodafone problem?

You advise would be greatly appreciated.

Message 1 of 15
by: joncasserley
on: 11/05/2013 | 17:22
You can unlock in a store or using this online guide to unlock now
Get a free giffgaff Sim
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Message 2 of 15
by: hhaarrryyyy2020
on: 11/05/2013 | 17:23
Contact tesco. This is for giffgaff help.
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Message 3 of 15
by: jun100
on: 11/05/2013 | 17:24
Hi first of all try reseting the apk on it



If that dosent work You should probably check the service status in your area, which you can do from by entering your postcode and clicking the 'Check' button. This should give you any local issues, including planned and emergency engineering work, as well as indicating what sort of signal strength you should expect, and the quality of mobile internet connection.

If you find that there are no issues reported in your area, try:

1. Turning your phone off, then wait five minutes, then turn your phone back on again, then wait five more minutes and try using it as normal

2. A manual roam (which can often sort out general communication issues) - there's a handy guide for this at
"if you like my post Please give 'KUDOS' If my answer helped then please click 'Accept as Solution'

Message 4 of 15
by: piratehooker82
on: 11/05/2013 | 17:26
It may need unlocking but you mentioned that it did work fine for a few weeks which would suggest it was unlocked anyway and if it is working for texts and calls it is definitely unlocked, I don't think it would really be anyone's problem as you supplied the phone and tesco only supply the sim, if they have given the correct settings and it still won't work it could be a handset fault, you could get a giffgaff sim activated and see if it works and you won't look back
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Message 5 of 15
by: homecliff
on: 11/05/2013 | 17:27
if you can make calls and texts its already unlock. its a tesco problem.
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Message 6 of 15
by: brianrc66
on: 11/05/2013 | 17:28

Thanks joncasserley, I'll have a look at this.

Message 7 of 15
by: mrkhatri
on: 11/05/2013 | 17:28
You need to get the phone unlocked you can get it done from a phone shop for a fee or see the link below for unlocking it for free :

Hope this helps.. and once you unlock your phone you will be able to use it on Giffgaff..


If my answer helped you please 'Accept as a Solution'' and/or say thanks with a 'Kudos' or click the 'Orange Star' next to Reply.

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Message 8 of 15
by: endorphin
on: 11/05/2013 | 17:29
If it's only the 2G/3G data connection that isn't work (any you have a data allowance on your tariff) and it suddenly stopped working then it sounds to me like that function on your phone is broken.
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Message 9 of 15
by: brianrc66
on: 11/05/2013 | 17:32

Thanks for all the replies. I'll let you know how I get on.

Message 10 of 15