SIM Card recognized only with charger/USB plugged - Hardware Hacking General

Hi,
i have a Samsung Galaxy I-9000 with CyanogenMod 10.1.
From some days i get this:
- powering on or rebooting the phone on battery i get no SIM detection (while it's in): no sim installed, unknown service etc
- after i plug in the power or USB cable the phone recognize the SIM and asks me immediately to insert PIN to unlock it.
what's that?!
thank you

hi,
Must be a Short-Circuit (more oxidized connection / circuit), look around the sim reader.

marioquark said:
Hi,
i have a Samsung Galaxy I-9000 with CyanogenMod 10.1.
From some days i get this:
- powering on or rebooting the phone on battery i get no SIM detection (while it's in): no sim installed, unknown service etc
- after i plug in the power or USB cable the phone recognize the SIM and asks me immediately to insert PIN to unlock it.
what's that?!
thank you
Click to expand...
Click to collapse
Try buying a new SIM reader (should be cheap) and installing it yourself. It's not difficult, I promise.

Related

Help !!! Problems unlocking SX56

O.K. I am new to this and have read many threads, and I still need help!!! I have a Wallaby ROM version A.30.09, Radio Version A.33.02. I bought this off of E-Bay and it is supposed to be Unlocked. Of course the original SIM card was from AT&T. I am trying to use my Rogers AT&T card and I keep on getting the message "Please input unlock code SID:"
I first used the XDAunlock program on my first Rogers Sim card and after many attempts using it, I was able to get the SIM card to work and I could make calls and receive them. The second day that it was working, I had to do a soft reset and then it asked for the unlock code again. Anyway I supposedly cooked that SIM card and Rogers supplied me with another. Now I cannot use the phone again.
I have downloaded the XDA special edition ROM, but I cannot get this program to work, it will run and when my Wallaby is Sync'd using the cradle, the program keeps telling me that the power is not supplied to it.
I recently bought a serial cable for this thing and I have run the XDA manipulator program and it says that it does not have a SID lock.
I have tried to find just the Special Edition ROM to add onto my SD card, but I cannot find just that program.
Any advice would be grateful !!!
If the phone was unlocked to rogers when you used it previously then it will still be unlocked. Is it definitely now asking for sid code and not the sim security code for your rogers sim?
It is definitely asking for a SID unlock code. Everytime I try to turn flightmode off it asks me for the code.
did you make sure that ur xda is fully charged 100%? that might be why it says its low on power
Power seems to be another one of my problems...I check the status of the battery while it is plugged into the cradle and it says:
Battery power remaining: Unknown
When I take it off the cradle and do a soft reset, then it tells me that the power is 100%.
The battery light never comes on though. And if it does then the phone works. I wonder if this is a battery problem !!!
Found that my battery was not the problem, it was the charger going from the wall to the cradle. It was charging the battery, but not enough. the one that was supplied for my Siemens SX56 docking station was a Nokia charger only putting out 3.5v. I found another charger I had laying around that put out 4.5v. As soon as I hooked it up, my battery light instantly came on. So I ran the XDA special edition software, and it worked great. I can now use my phone.
AWESOME PROGRAM !!!!!
I LOVE IT!!!

P6800 SIM Card not recognized!!!

Hi,
I just purchased a P6800 to replace my current phone.
Everything is awesome about the device, but everytime I try to insert my SIM from my previous phone, it keeps saying "Please Insert SIM"
After many reboots, same message shows on the unlock screen.
I've tried other SIM cards from my friends' phones (H20, Red Pocket, T-Mobile, Etc.)
The only SIM it seems to detect is my old O2 SIM card from my travel overseas.
Are there different times of Mini SIMs? Perhaps the metal contact sizes are different for data and regular phone SIMs?
I hope someone can help as I would love to utilize the full capabilities of this device.
Thanks.
pimpnyak said:
Hi,
I just purchased a P6800 to replace my current phone.
Everything is awesome about the device, but everytime I try to insert my SIM from my previous phone, it keeps saying "Please Insert SIM"
After many reboots, same message shows on the unlock screen.
I've tried other SIM cards from my friends' phones (H20, Red Pocket, T-Mobile, Etc.)
The only SIM it seems to detect is my old O2 SIM card from my travel overseas.
Are there different times of Mini SIMs? Perhaps the metal contact sizes are different for data and regular phone SIMs?
I hope someone can help as I would love to utilize the full capabilities of this device.
Thanks.
Click to expand...
Click to collapse
It uses a regular sized SIM, not a micro-SIM. Are you sure you're inserting the SIM with the contact side down notch end first?
pimpnyak said:
Hi,
I just purchased a P6800 to replace my current phone.
Everything is awesome about the device, but everytime I try to insert my SIM from my previous phone, it keeps saying "Please Insert SIM"
After many reboots, same message shows on the unlock screen.
I've tried other SIM cards from my friends' phones (H20, Red Pocket, T-Mobile, Etc.)
The only SIM it seems to detect is my old O2 SIM card from my travel overseas.
Are there different times of Mini SIMs? Perhaps the metal contact sizes are different for data and regular phone SIMs?
I hope someone can help as I would love to utilize the full capabilities of this device.
Thanks.
Click to expand...
Click to collapse
Im having the exact same problem. Bought a Telstra sim for my P6800 and it wont recognise it. The same sim works fine in my Galaxy Nexus, and the sim from my Galaxy Nexus works fine in the Tab. It's just this particular sim/data plan it wont recognise the sim, keeps saying 'insert sim'. I had the sim replaced, same issue. Any ideas?
Did you try to go to Settings -> Wireless and then configure the APN, etc.?
tab7_7 said:
Did you try to go to Settings -> Wireless and then configure the APN, etc.?
Click to expand...
Click to collapse
Wont let me into it. When I press Mobile Networks it tells me to insert a sim. The sim works fine in other devices but is not detected by the Tab. A Google search reveals that it is a common problem with certain sims and carriers, I may have to go to a Telstra store and try a few different sims.. Unless there is something else I can try?
I had a problem with my sim card but when I reboot my device It is Ok.
Yes. Try to reboot your device. When I inserted my SIM while the tablet was on, it would give me the same error until I restarted the tablet.
You definitely have to reboot the Tab after inserting the Sim.
Sent from my HTC Desire Z using Tapatalk 2
tab7_7 said:
Yes. Try to reboot your device. When I inserted my SIM while the tablet was on, it would give me the same error until I restarted the tablet.
Click to expand...
Click to collapse
With respect, rebooting was the first thing I tried! Makes no difference whether I insert the sim when the Tab is off or not, still not detected
If a different Sim card works in the tablet you can see if your phone provider can give you another Sim. If no Sim works, it's most probably HW related
Sent from my HTC Desire Z using Tapatalk 2
A sim that worked earlier in the week no longer works, sadly now looks to be a hardware issue..
You can't use the micro sims they mess up the sim reader if you leave it in it will continue to work but once you take it out it breaks the sim slot it happened to me i used a att sim first and it worked fine then a rep at a cell shop put his micro sim with an adapter into to it to see if it worked with t-mobile and when he took it out the sim slot wouldn't work I had to get the device replaced
Sent from my GT-P6800 using XDA Premium HD app
techjunkie702 said:
You can't use the micro sims they mess up the sim reader if you leave it in it will continue to work but once you take it out it breaks the sim slot
Click to expand...
Click to collapse
And that is exactly what has happened to me. I was using a micro sim with adapter and after I removed it, the device no longer recognises sim cards. It will cost me AU$130 to have it repaired.
A big warning to everyone else not to use micro sims with adapters, make sure you use a full old-style sim card! Quite annoying since most carriers these days have the sim card with the micro-sim push out, these will damage the sim slot in the P6800
Same problem here after using a microsim adapter now it doesn't recognize any sim. Do you know how to remove back cover so i try to repair internal sim card reader?
code72 said:
Same problem here after using a microsim adapter now it doesn't recognize any sim. Do you know how to remove back cover so i try to repair internal sim card reader?
Click to expand...
Click to collapse
Same problem here, after using a Micro-Sim Adapter, my p6800 stopped recognizing the sim cards. I hope the repair do not cost too much.
Don't know if this might help.
I had the same experience when I insert my Sim card the first time.
Luckily I have about twenty old Sim card to play with.
I tried most of them and found put that some Sim card is thinner.
So, what I did was to paste a layer of clear tape on the back of my Sim card to make it slightly thicker.
It will fell a but tight at first.
But it helps.
Sent from my GT-P6800 using xda app-developers app
I've also tried that, pasted a piece of tap to make the sim a bit thicker but It didn't worked, I think I have to send it for repair.
Thanks for your help.
Sent from my LT26i using Tapatalk 2
Last try would be the most ancient method.
Try using a eraser to rub the contacts of the Sim card.
Sent from my GT-P6800 using xda app-developers app

[Q] SIM not recognized after drop

Hi!
After a friend of mine dropped my Atrix, I'm having severe troubles getting it to run properly again. Main issue is that the SIM is not being recognized any more - I'm not prompted to enter a PIN, can make "Emergency Calls Only", and if I try to connecto to a provider manually, it tells me my SIM does not support it. The Antenna works fine, however, and the SIM works in another phone; also, a friend's SIM wouldn't work in mine.
There is very little external damage to the phone, and the drop was just about 1m onto stone, so I'm hesitant to believe the SIM connector broke. Is there any way I can be sure, i.e. would the pins on the connector have to have a certain voltage to them I could measure or similar?
Unfortunately, the phone has no warranty, as it was a pre-release gift from a Moto employee, so I can't just take it to a store and have it checked for free. (If any German can tell me: Is this expensive at all?)
Thanks for any advice!
David
Most likely the SIM is just not seating properly. Can you insert the SIM and keep pressure on it so it maintains contact while you power up? Your SIM should be fairly tight when inserted, and not move. Could be a contact problem now after dropping. The Atrix did have an issue with SIMS at release but I think this was more people not inserting the SIM correctly than an actual phone problem.
Nope, nothing. Still no service.
Sounds like the connector may have broken or come loose then.
And there is nothing I can do to check if this is the case or not?
Can't find anything. The following may help if you decide to strip it down to check for anything obvious:
http://www.ifixit.com/Teardown/Motorola-Atrix-4G-Teardown/4964/1

Phone still works after sim removed. How/why.

Yesterday I upgraded to a gs3 which came with a micro sim. I wanted to see if I could keep my old phone as a backup. Would the lte micro sim work in my non-lte full-sized-sim captivate/gs1?
After 3 trys i managed to properly align the micro sim in the full sized sim slot and it worked. But then the weird part. Without powering down the phone I plucked out the sim (possible because the micro sim is so small). To my surprise the phone did not give any error and both data and voice calls continued to work without a sim actually in the phone.
How was that possible? Further, what would have happened if I had booted up my new phone with the sim card that my old phone still thought it was using (I was too afraid to try)? Would both phones continue to work? Would they both ring when someone calls?
Sent from my Cyanogenmod 9 Kindle Fire using Tapatalk
any sim should work as long as its activated and its the same size.
and no they both wont work, the phone that has no sim will show "no sim" upon reboot
ovoxo said:
any sim should work as long as its activated and its the same size.
and no they both wont work, the phone that has no sim will show "no sim" upon reboot
Click to expand...
Click to collapse
Perhaps I was not clear. I removed the sim without turning the phone off and it continued to work. I know it should not, but it does. That is what I am asking, how is that possible? Does the phone only check for a sim when it boots, and from then on the sim is not needed?
Then what would happen if I boot up phone #2 while phone #1 still thinks that the sim card is in it.
I'm interested, try it and let us know what happens.
cypho said:
Perhaps I was not clear. I removed the sim without turning the phone off and it continued to work. I know it should not, but it does. That is what I am asking, how is that possible? Does the phone only check for a sim when it boots, and from then on the sim is not needed?
Then what would happen if I boot up phone #2 while phone #1 still thinks that the sim card is in it.
Click to expand...
Click to collapse
I'm not an expert, but I think all the SIM provides is a string of numbers that identifies the phone with a phone number. This is most likely cached in the device while it is on and it might not need the SIM card after it has already gotten the information. This might not pertain to all phones, maybe the Galaxy S3 was programmed slightly differently.
If you power down the phone and restart without the SIM, the phone will most likely ask you for a SIM.
It is an S1/Captivate that is working without a sim. And yes, when I reboot the phone it stops working. I'm not brave enough to try both phones at the same time. That seems like something that the phone company would notice.
I tried removing the SIM from my captivate while it was running, and for a short time it still showed signal. Soon after I got a message asking to put in a SIM and restart. I don't have an LTE SIM or microSIM to test with, but it doesn't seem likely that the cappy will continue to work without one. Or at least without starting with a regular SIM.
cypho said:
Perhaps I was not clear. I removed the sim without turning the phone off and it continued to work. I know it should not, but it does. That is what I am asking, how is that possible? Does the phone only check for a sim when it boots, and from then on the sim is not needed?
Then what would happen if I boot up phone #2 while phone #1 still thinks that the sim card is in it.
Click to expand...
Click to collapse
i Know that this is an old thread but i just wanted to say that with some networks, you can take the sim out and still use the phone locally. they only use the sim for international or roaming outside the country. thats what i got from Sprint before. i dont know about other networks
Pease cany any body tell me who can download apps frpm this software
:silly::silly:

[Q] Device don't recognize specific SIM carrier

Hey, must say the device got a little water back few months before it started to make this problem.
The motherboard and every thing looks clean inside.
The problem is when we put a sim card its not recognize there is a sim inside, we tried a new sim and other sim that works 100% on other device, but nothing.
The funny thing is when we put other carrier sim card it recognize it and works fine.
We tried to replace the sim card slot , problem still remains..
The last thing I think about is to replace the charging (usb) port (all this board), do you think it will fix the problem? or what else could be this weird problem?
thanks.
Anyone have any idea about this issue?
BTW, the charging port/board is related to the buttom back-setting touch keys?
Your phone is locked to certain carrier that's why it wont recognize some sim cards and some work just fine.
If the sim card slot is damaged the phone wont read any sim.
Sent from my LGLS990 using XDA Free mobile app
The device is unlocked, not bought from any carrier (here they never lock it anyway).
The Sims that's works are different carrier so can't be lock to specific one.
Maybe something messed up with the modem?
Is it possible that the charging port (board) will do the trick? (The antenna connect to this board as well)

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