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my O2 xda stealth...invalid or missing SIM card (I'm newbie please help)

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...

Q>hi can anyone help me with my wiza100??pls

i have a wiza100 here in the ph..
my problem is theres no network signal with my phone????
my signal bar is always searching and sometime its says NO SERVISE
can anyone help me plssssss............
TIA

plsssssssssssss help me???????????????????????????????

well if its a gsm phone then change ur sin card!!! its all because of network problem..
else if ur phone was ok before and u are having this problem suddenly then do a factory reset/format ur system.. it will solve the problem..

i did hard reset then... but the same problem.....
im here in philippines it accept any sim here but my signal bar keeps on searching and sometimes it says no network.........
can anyone help me plsssssss.....

hi any one have a solution for my problem...........
will u suggest that i will upgrade may ROM???

[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.

Need help please? Any solution for this case? The warranty of this over..

network problem

hii guys....
i have recently discovered network problem in my ace plus running CM11
The problem is that my phone shows "no network available" in those areas where network is available......but if, i put my sim in another phone , their is no such problem .....
Also i am not able to search for network in manual mode and auto mode doesnt work........
Any other sim in also not working ......i tried idea sim but failed to get any signal.....
Is their anything i can do ....to get rid of this annoying problem !!

beastwolf said:
hii guys....
i have recently discovered network problem in my ace plus running CM11
The problem is that my phone shows "no network available" in those areas where network is available......but if, i put my sim in another phone , their is no such problem .....
Also i am not able to search for network in manual mode and auto mode doesnt work........
Any other sim in also not working ......i tried idea sim but failed to get any signal.....
Is their anything i can do ....to get rid of this annoying problem !!
Click to expand...
Click to collapse
Reflash ROM, be sure you wipe data,cache and dalvik-cache. If this doesnt work, move do different ROM.

Lenovo s850 no signal n no service network

Hallo everbody...
I has problem with my lenovo device...
I flash a new rom s850 row s207, when i insert my sim card my phone detect the sim card but still no service n my signal keep searching...
I try chance the modem but still same problem..
I have invalid emei but i restore back the emei number.
can anybody help me...
Sorry for the bad english...

lenova s850 no service
ME to same problem my hand set wroking fine with network but some time its going hang then i formate with sp tolls i did't take nvram backup . after i restore my imei but now my phone no service and say only oprater name like (no servive /idea).
i restore aslo same phone nv backup with sp tolls nv write sucess not still same no service
my nv address starat 0*180000 end 0*50000 Mtk 6582(model lenova s850)
Any suggestion plz

Did you found the solution?

i have a permanent solution for Lenovo s850 no service problem
i need to see reply to know how much its needed

Meshah said:
Hallo everbody...
I has problem with my lenovo device...
I flash a new rom s850 row s207, when i insert my sim card my phone detect the sim card but still no service n my signal keep searching...
I try chance the modem but still same problem..
I have invalid emei but i restore back the emei number.
can anybody help me...
Sorry for the bad english...
Click to expand...
Click to collapse
Have you checked all of your network settings?
Have you tried searching to find if there is a secret dialer menu to control your radio settings?
I DO NOT PROVIDE HELP IN PM, KEEP IT IN THE THREADS WHERE EVERYONE CAN SHARE