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Diamond wont receognise sim card

i have a problem with my diamond. It only reads my sim card, wont read any other sim card that is inserted. It was originally using XOR morna rom, done a new flash and still same problem. Re-flashed with a original HTC rom, but still same problem. I some how think its not a software problem as it has been flashed/hard-reset numerous times.
Any one know what problem can be or if anyone has same problem, with solution
thanks
kerim

Mmmm...
When you say it only reads 'your' SIM card, do you mean it's SIM locked. If you're on vodafone for instance, and you put another vodafone SIM in, does it recognise that? Or do you mean it won't allow any other SIM at all... even if the network's the same?
If it's the first option, your device is obviously SIM locked, if it's the second option, have you installed any security software like Ultimate Theft Alert, or similar, which will also block any other SIMs??

its not sim locked, it was an unbranded phone when i first got it. I am on three and have tried 3 different other three sim cards and also a vodaphone simcard, non of them work.
Its like there is no sim card at all. Im starting to thinbk its a hardware problem not software as i have flashed it few times now with different roms

any ideas, i need to get this working urgently

Mmmm...
Definitely sounds like a hardware issue to me. It's probably time to send it away

Hey Kerm when you put the sim cards does it ask you for for the pin??? or what you could do is see if you can try to clean the sim contact in your phone or run a eraser over the sim card contact and see if there is a difference

had a problem with an unreadable sim-card a few months ago as well; A new sim-card solved my problem... But since you are having trouble with 3 different cards, it might be a hardware problem in your case indeed.

doesnt ask for any pins, as soon as the phone starts up with another sim card inserted, it says no sim card. When it starts up with mu simcard inserted, phone function runs as normal, i can see reception bars etc

I had the same problem when i received my diamond. Tried several sim cards but none was recognized.
I received a new phone because it was a hardware failure.

Sounds like mu has a way of making a new kinda sim lock that only works with there phones ,I would digg a lil deeper and make sure its not a sim lock on your phone

what do you mean by MU, couldnt make it out. How can i find out about if its been sim locked

Faulty SIM tray on Xperia T

So, just after the first day I got my Xperia T, the SIM tray was broken. I noticed my device having random reboots, then telling me there's no SIM card inserted. It took me some time, but then I noticed that whenever I insert my SIM card and close the tray, it just pops right out again. First I thought that maybe my SIM card was the problem, since I'm using a Nano-SIM with an adapter, so I tried with a regular Micro-SIM instead, but that didn't work either.
Right now my device is in repair and as I can tell from the repair status, they replaced the whole mainboard, which hopefully solved the problem.
Is anyone else having issues like that?

Same here, I had to put several layers of adhesive tape over the microsim to fatten and then lock it into the tray. Nasty, but working.

Same for me, but with 2 layers of post-it, it works.

Bad cut simcard or not perfect adapter is problem. Them simple brake a tray. Then good ones doesn't work either.
Use proper SIM card from first time.

Had the same problem - is it possible to replace only sim tray or is necessary to replace the whole mainboard?

[Q] Does not recognise sim card

I was overseas travelling and used some different sim cards no problem. But on return, I put my original sim card in, and the xperia z says "sim card inserted, restarting" and restarts, only to display the "no sim card" icon. I've tried a lot of things, and got a new sim card from my carrier because I thought that one might have been broke because I didn't use it in a while, but the new one has the same problem.
I really hope it's not a hardware issue, the phone is older than 1yr, and I didn't buy it in this country. I suspect that it might not be, since it was working fine until I swapped sim cards. Could this be a firmware issue? Any suggestions?
[Edit] It might be worth mentioning that I did a firmware upgrade while overseas without my original sim in.

[Q] Phone does not recognize any sim

Hi, my phone suddenly stopped accepting any sim card. It shows that sim is not founded even if it is there. What could it be, software problem or I damaged sim reader when was inserting or taking out my sim?

sim card removed restart

hey
I bought an used note 5 (n920PVPS2BPD1) from china and I am living in Egypt
in every call usually after 5 minutes it disconnect and pop up message appears "sim card removed" and I should restart
also it occurs when I am using mobile data.
my useless trials based on internet comments >
1.the mobile was already rooted so I flashed a new custom rom and the same occurs
2.no 4g forced when I was using a 4g sim (Vodafone)
3.used 3g SIM instead of 4g and auto 3g-2g applied
4.2g only sometimes
5.added simple plaster tape over the sim to hold it in the tray
I cant even sell the phone here because of this and any engineer here suggested to open the phone and change the whole sim tray. so before labeling it as a hardware issue would someone help me in this ?
ill be so grateful

Maybe forget about a 3 year old phone?

Just use small thin tape to fix the position of sim card on the sim card tray. That worked for me on my 3 years old note5

I'm tempted to also think it's to do with the sim tray. Last comment is interesting, or you could add several layers of tape to the sim to have more pressure with the contacts in the tray.
First thing I would do is try cleaning the contacts by inserting in and out 20 the sim 20 times. If nothing of the above work, then have someone to open the device and clean the sim tray contacts with alcohol, or change the tray if you're able to find a replacement.