my O2 xda stealth...invalid or missing SIM card (I'm newbie please help) - General Questions and Answers

i've search for this problem and found nothing to solve
the problem appear when I making call to my friend..but my stealth suddenly hang up...then I turn off it by pressing power button...
but when I turn on again appear an error message "Invalid or Missing SIM Card"
I've already use my friend SIM card until 6 sim card I try
I've hard reset it, upgrade software, but no result
please help me...i dont want my lovely stealth be just ppc T_T
thanks

any help?
first I've try xdadev_all_unlock-v1.5.exe and xdadev_all_unlock-v1.6_138.exe which can unlock SIM but it say not supported
then I try HTC_Uni_SIM_Unlock_v1 but it say not supported again
I've try DSUU.exe to upgrade it, maybe its need software upgrade, but still no result
when i think maybe it's radio problem, I try UniversalRUU with Universal_radio-1.15.00 and Universal_radio-1.18 but it say not supported again

my O2 xda stealth...invalid or missing SIM card (I'm newbie)
more than i dont know how many times I do hard reset and installing ROM
but still no result...my stealth still appear that error message
please help me....
i beg of you...

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XPERIA X1
Hi, I have XPERIA X1, i have been using it confortably till i changed my sim card to other operator, now i have the same problem "The phone is not ready. Wait 15 seconds and try again" when i try to enter Phone settings or try to send an SMS.
If i insert my old sim card back, everything starts working fine.
Also the operator is not listed in the connection setup wizard.
HELP PLEASE!!!!
has it ever worked? have you hard reset?

I620v Phone OFF always no signal

Help I have samsung i620v no signakl always in off mode even if i hardreset please help
Microse said:
Help I have samsung i620v no signakl always in off mode even if i hardreset please help
Click to expand...
Click to collapse
I would help you, but unfortunately I do not have this equipment.
BTW - Make sure you have adequate RadioROM
try hard reset or take you your sd card out if you have one
try another hard reset or take you your sd card out if you have one and if that dont work you this app call sktools app that could fix anything

[Q] HELP! My phone can't recognize my sim card

Guys I need your help! My phone doesn't recognize my sim card.. It was happen few hours ago. I was able to use my opera mini to access internet then it was unavailable for a bit then I just wait until it is ok.. I switch off my phone and then it was happen that my phone doesn't recognized my sim card. I try to insert other sim card but its same case...
I badly need your help guys. I don't know what to do..
Please?
If you don't have any custom roms or roots, and you still have warranty, go to service center..
check your IMEI number. similar thing happened with me , after lots of resets ii found out that my imei number i empty. still cant find any solution.
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[Completed] Sophone I6 passcode problem

i received sophone i6 today and i have been working hours with this phone. And i have faced problems with it like. i use SIM card place 2 and i need to put sim card PIN code off to get SIM card to work.. if i dont put it off on some other phone it wont let me in to the phone and just asks passcode.. I have been trying anything 1234, 0000 and my PIN code... If i put it off on other phone it works.. And in the settings i dont get APN to save, i press save and nothing hapens it just closes and doesnt add the settings.. and in the settings Carrier and phone settings doesnt work.. i have been trying to update and upgrade it and root it but it doesnt work..
Hi,
I believe this thread a couple weeks ago is from you?
http://forum.xda-developers.com/general/xda-assist/sophone-i6-t2937238/post56689428
You were shown where to ask for help in that thread. You need to register on XDA and use the links you were given.
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Please help!!!!

I really need help. I put another Sims card in my phone which is a Huawei Y536-A1 from another phone to unlock it. It keeps saying network unlock unsuccessful. Then I put my card that came with the phone back in it and it still says the same thing but now my phone won't work. Please, please, please someone help me!!!
ChristyH said:
I really need help. I put another Sims card in my phone which is a Huawei Y536-A1 from another phone to unlock it. It keeps saying network unlock unsuccessful. Then I put my card that came with the phone back in it and it still says the same thing but now my phone won't work. Please, please, please someone help me!!!
Click to expand...
Click to collapse
Make sure the SIM cards are correctly placed in the phone.
Try rebooting the phone.
Try turning Aeroplane mode on and off.
If nothing works do a factory reset.

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