I just bought a used G2 for my son to be used as a wifi phone. I successively rooted and have Andromadus jellybelly on there. The phone was sold as unable to read the sim card, and I am wondering if there is a method to figure out if the reason is software related vs physical/hardware related? Any suggestions on what to try?
If it didn't work stock and still won't work after tooted and custom rom I doubt its software/firmware
So that leaves hardware, it seems the sim tray comes detatched from logic board on some of these, you can try and resolder the tray or pick up a new one. Possibly something else but it will be hard to determin other than trial and error
Sent from my HTC Vision using Tapatalk 2
Look at the contact pins in the sim slot, make sure that they're straight and "up". If there are any that are bent over or not sticking up properly, those aren't making contact and therefore the sim won't work.
Related
I broke and replaced the screen in my unlocked upgraded flashed-ROM wallaby and the unit now starts up and reports invalid SIM.
Is there any solution or should I re-flash the rom again and see if that works, hope for the best?
Try the SIM in a different (unlocked) phone, to make sure the SIM isn't fried. If the SIM is fried, you can get a new one from your provider. SIMs do get fried sometimes -- it happened to me a couple months back. Fortunately my provider (Cingular) has a shop just down the road from me, and they burned a new SIM in 5 minutes.
I apologise, I should have said
Sorry, I should have said, it does work in another machine and as I said, it did work immediately I used the xda flashing process to upgrade the ROM in this very unit before I dropped it.
Everything else in the new ROM seems to work which makes it infuriating that it wont recognise the SIM. I even tried calling T-Mobile and asking them if they could see the SIM on their network and they couldn't.
(I even have one of those SIM copying devices they send you free for some unknown reason when they want you to upgrade your service to some kind of higher level SIM card. I was wondering if I should try to use it again but as mine does work, this, like the whole copying device, seemed a bit academic)
Hi all,
I would like to know if it is possible to replace the GSM antenna on my wildfire. If yes, does anyone know or has anyone managed to do it? Any help would be appreciated.
Extra info:
This is my first post. I have searched xda-developers for a problem similar to mine but am fairly certain that there is no info on it here.
So here goes, a few months back, I broke my HTC wildfire after which even when I plug in a working sim card, it shows no signal.
When I took it to a repair shop, they said that the antenna is broken n there is nothing else that can be done other than replacing the phone.
However, if I put in a sim card of another carrier, it does recognize it and asks for an unlock code because my phone is locked to a specific carrier.
richard.macwan said:
Hi all,
I would like to know if it is possible to replace the GSM antenna on my wildfire. If yes, does anyone know or has anyone managed to do it? Any help would be appreciated.
Extra info:
This is my first post. I have searched xda-developers for a problem similar to mine but am fairly certain that there is no info on it here.
So here goes, a few months back, I broke my HTC wildfire after which even when I plug in a working sim card, it shows no signal.
When I took it to a repair shop, they said that the antenna is broken n there is nothing else that can be done other than replacing the phone.
However, if I put in a sim card of another carrier, it does recognize it and asks for an unlock code because my phone is locked to a specific carrier.
Click to expand...
Click to collapse
i dunno pal, i get the feeling that it may be soldered to the board. and tbh your phone if network locked,it would come up saying you need an unlock code for different sims even if it couldnt get a signal, as it is software related.... now if it GETS signal with a sim that is a different story, but i wouldnt hold out much hope for it sorry bud.
Hey,
My phone is no longer recognising / finding a SIM card.
I was testing a different sim card in my phone and when I inserted it I couldn't get any network so I put my sim card back in and it fails to find a network aswell.
How can I test/find out fully whats wrong, I'm assuming it's hardware does anyone know how I can check the hardware and maybe potentially fix it, the phone is out of warranty as of two months ago.
Thanks
- Hy
Bump
Extra text to get past character limit.
Does it actually say no sim on the screen?
Sent from my HTC Vision using xda app-developers app
Warbuff said:
Does it actually say no sim on the screen?
Sent from my HTC Vision using xda app-developers app
Click to expand...
Click to collapse
Or if it isn't...sounds like messed up radio, or hardware problem, such an antenna.
Have you tried that sim in another phone? Or another sim in your phone. Could be something as simple as a dead sim, or something a little harder like needing to update your radio, or something much wors, like a dead radio or faulty hardware
Sent from my HTC Vision using xda premium
I had an old sim that started being unrecognised in phones and what I had to do was put a little piece of paper bewteen the top of the sim and the holder to get it to work.
Sent from my G2 running the random rom of the day.
Warbuff said:
Does it actually say no sim on the screen?
Sent from my HTC Vision using xda app-developers app
Click to expand...
Click to collapse
Yes sir it does say no sim.
I have tried a different sim and I have tried my sim in someone else phone, its not the sim card what has a problem.
Ive switched roms does that update or fix radio issues?
Hyflex said:
Yes sir it does say no sim.
I have tried a different sim and I have tried my sim in someone else phone, its not the sim card what has a problem.
Ive switched roms does that update or fix radio issues?
Click to expand...
Click to collapse
no changing roms wont change your hardware, if you want to see if changing the radio helps i made a thread on changing the radio and other firmware via fastboot:
HERE (post #5 for radio)it can also be done via a pc10img.zip flashed through hboot but at least to me the preferred method is with fastboot.
if its a firmware issue this will fix it
i doubt its rom related but of course trying with a known stable rom is best
doubt its an apn issue as "no sim" means no sim not incorrect sim
you have already tested your sim in other phones and other sims in yours, so its safe to rule out a faulty sim card
if its hardware then chances are the sim isnt connecting to the motherboard, either the pegs pushing against the sim arent making contact or the slot the sim goes needs to be resoldered in place (not fun)
possibly other issues causing this but start with the easier, less intrusive, possible fixes and move up
good luck!
demkantor said:
no changing roms wont change your hardware, if you want to see if changing the radio helps i made a thread on changing the radio and other firmware via fastboot:
[URL=" (post #5 for radio)[/URL]it can also be done via a pc10img.zip flashed through hboot but at least to me the preferred method is with fastboot.
if its a firmware issue this will fix it
i doubt its rom related but of course trying with a known stable rom is best
doubt its an apn issue as "no sim" means no sim not incorrect sim
you have already tested your sim in other phones and other sims in yours, so its safe to rule out a faulty sim card
if its hardware then chances are the sim isnt connecting to the motherboard, either the pegs pushing against the sim arent making contact or the slot the sim goes needs to be resoldered in place (not fun)
possibly other issues causing this but start with the easier, less intrusive, possible fixes and move up
good luck!
Click to expand...
Click to collapse
Tried a new radio, problem still exists. It's hardware
Hyflex said:
Tried a new radio, problem still exists. It's hardware
Click to expand...
Click to collapse
Looks like you might need to send it in for repairs or sell it as is and buy a new one. Can't think of anything else to try.
Is any one brave enough to perform this mode on their new SGN II?
http://forum.xda-developers.com/showthread.php?p=32593285#post32593285
I believe the little metal shield near the microSD slot is Sprint SIM-chip - it in the same spot as SIM slot on other versions of SGN II and it looks similar to the one in the above Motorola phone.
There is a dual SIM adaptor for this phone here:
http://forum.xda-developers.com/showthread.php?t=1952770
so theoretically it could be used to split the connection with Sprint SIM-chip and another real full size SIM
I would love to see the same thing. I was thinking about moving to the Galaxy Note 2 until I read about the embedded SIM. I hope Sprint backs away from this trend or at least someone can hack the Note to allow for SIM switching.
asuh said:
I would love to see the same thing. I was thinking about moving to the Galaxy Note 2 until I read about the embedded SIM. I hope Sprint backs away from this trend or at least someone can hack the Note to allow for SIM switching.
Click to expand...
Click to collapse
If someone can show the pcb board I will start to see if the sim slot can be modded back on to the phone but its looking like i have to wait to get my own to see if i can mod it
internals taken with an S3 and shared via s-beam :good:
http://imageshack.us/a/img254/186/20121030103739.jpg
http://imageshack.us/a/img12/5797/20121030103720.jpg
http://imageshack.us/a/img685/9834/20121030103733.jpg
http://imageshack.us/a/img259/1346/20121030103716.jpg
http://imageshack.us/a/img141/9830/20121030103704.jpg
Some are slightly blurry but hope this helps, btw this thing comes apart just like the S2
Nice photos, can you make a video to show exactly where the sim card is and how it's embedded? Is it soldered or is it just built into the pcb board?
asuh said:
Nice photos, can you make a video to show exactly where the sim card is and how it's embedded? Is it soldered or is it just built into the pcb board?
Click to expand...
Click to collapse
You will not see a real SIM card if that is what you expect yo see - It's an ASIC microchip.
the "SIM-chip" is clearly visible one of the posted pictures:
http://imageshack.us/a/img259/1346/20121030103716.jpg
It is right next to the white letters SPH-L900
And as you can see it is almost the same as in Motorola Photon phone in the original thread:
http://forum.xda-developers.com/showthread.php?p=32593285#post32593285
First picture on the right (also has 880120000 on top) - just a different version
That original thread has couple videos with removal procedure, it would be exactly the same here.
Darkendvoid88, Thank you for posting pictures!!!!!
Ah, thanks for the clarification. Very daunting but at least I know it's theoretically possible. If only this was more practical!
It appears that you'd have to have the phone taken apart just to use the foreign sim card, which is impractical. Maybe it could be stuffed below or above the battery, of course assuming the little wires could fit through some crevice or crack somewhere in the back. Otherwise, this type of hack basically just makes it possible to find your favorite foreign sim card, stick it in and close the device back up.
When I traveled around Germany and the UK this summer, it was super convenient to just switch to the new sim when I needed but I don't see that this will be possible even with this type of hack. Damn!
The op just has it set up like that because the photon is sealed and has a "non removeable" back. There is little to no room for the sim reader. An extended battery back might make this easier for us. Also if anyone has ever taken apart an S2 there is a clip next to the battery terminals. Ours is the same dissassembly process and that clip could be broken off to allow for easy wire routing.
Sent from my SPH-L900 using xda app-developers app
Not too be noob-ish, but this is possible, right? Because if not I just wasted $300 :/
Darkendvoid88 said:
The op just has it set up like that because the photon is sealed and has a "non removeable" back. There is little to no room for the sim reader. An extended battery back might make this easier for us. Also if anyone has ever taken apart an S2 there is a clip next to the battery terminals. Ours is the same dissassembly process and that clip could be broken off to allow for easy wire routing.
Sent from my SPH-L900 using xda app-developers app
Click to expand...
Click to collapse
looks like the sim reader would go right in same place as the GSM sim version either trim the sprint case to model it the same as the GSM sim version or buy a GSM sim replacement case.
nazman23 said:
looks like the sim reader would go right in same place as the GSM sim version either trim the sprint case to model it the same as the GSM sim version or buy a GSM sim replacement case.
Click to expand...
Click to collapse
You can't simply replace the chip with SIM card slot. You will lose Sprint LTE. To make it right you's need to solder a dual SIM adapter instead of the chip, then solder chip back in to micro SIM slot of the adapter and use the regular SIM slot for other SIM you might want to use. The software that comes with an adaptor will help you switch between chip and the SIM
nazman23 said:
looks like the sim reader would go right in same place as the GSM sim version either trim the sprint case to model it the same as the GSM sim version or buy a GSM sim replacement case.
Click to expand...
Click to collapse
No u are exactly correct that chip controls sprint lte access but the good news is a secondary sim slot can be placed directly over it without much case modification you just have to wire it up and remove the metal block from the pcb cover Case also wireless charging is definitely in play due to the pcb is wired for it a lot of hardware modification promise
Sent from my SPH-L710 using xda app-developers app
leond said:
You can't simply replace the chip with SIM card slot. You will lose Sprint LTE. To make it right you's need to solder a dual SIM adapter instead of the chip, then solder chip back in to micro SIM slot of the adapter and use the regular SIM slot for other SIM you might want to use. The software that comes with an adaptor will help you switch between chip and the SIM
Click to expand...
Click to collapse
I am not a fan of the Iphone, but my wife has the 4s and I was able to call sprint to have them unlock the phone so we can use it overseas with another sim card. With that being said is the Iphone the only phone that has the slot to easily take out the card and replace it with another card if traveling overseas?
I wonder if the pcb boards or internals used in the Verizon version could be swapped out for Sprint? It would be pretty interesting if a Verizon version of this phone just required a transplant of the LTE sim chip.
hitdog44 said:
I am not a fan of the Iphone, but my wife has the 4s and I was able to call sprint to have them unlock the phone so we can use it overseas with another sim card. With that being said is the Iphone the only phone that has the slot to easily take out the card and replace it with another card if traveling overseas?
Click to expand...
Click to collapse
Well, the GNII doesn't have that ability :/
The original Photon has a removable sim. Not sure about sprints unlocking policy on that device though.
Sent from my SPH-L900 using xda app-developers app
Darkendvoid88 said:
The original Photon has a removable sim. Not sure about sprints unlocking policy on that device though.
Sent from my SPH-L900 using xda app-developers app
Click to expand...
Click to collapse
I own this Photon and it worked well since it's unlocked for foreign sims but it won't see an update beyond 2.3 since Motorola won't upgrade it. GN2 is the phone I want to upgrade to but this embedded sim is my biggest problem with it.
randy2 said:
No u are exactly correct that chip controls sprint lte access but the good news is a secondary sim slot can be placed directly over it without much case modification you just have to wire it up and remove the metal block from the pcb cover Case also wireless charging is definitely in play due to the pcb is wired for it a lot of hardware modification promise
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
Randy, Are you saying saying there is no need to remove the chip just solder wires from it's legs to SIM slot and switch with software?
Exactly someone would have to unlock it software wise but a simple soder hack and some super glue will allow it to be used directly on top of chip with wires straight to the right connections.. The chip cannot I repeat cannot be removed it manages the sprint frequency of lte and International roaming to remove it would take away ur ability to have lte but the positive is its not that locked down from what I'm hearing its a simple mod hardware wise. also the wireless hack is super super easy I don't understand why sprint left the tech for wireless charging in and routed correctly but removed the access to them. Go figure as soon as I get a device ill do some tinkering
Sent from my SPH-L710 using xda app-developers app
I have to tear it down again tomorrow when I get to the store as I screwed up the rubber grommet that goes around the headphone jack (covering the hole atm). So if you guys need any more pictures of the chip / insides I'd be happy to oblige.
I have started having SIM card issues about a year ago, and it started with their new SIM cards. They advised me to get a new one, so I could use tethering. Since I have, I kept randomly getting "No SIM detected, please restart to detect your SIM" randomly, and it has been really annoying. I have replaced the SIM slot, and cleaned it multiple times, sometimes it works afterwards sometimes not. It seems to me like this would be a hardware issue, but could it possibly be software?
I notice on the different SIM slots I have bought, there are different revision numbers. What is the latest revision, that has the best contacts? Taking one apart, I noticed the contacts are crap. VERY small, that barely make contact. I was thinking of de-soldering the crappy SIM tray, and finding an SMD that has ball-bearing contacts, has anyone ever done this?
Last month, I accidentally left my SGH-M919 in my pocket and the motherboard was fried when it got put in the wash. I tried resurrecting it with the RIFF, but the eMMC was dead. Anyways, I managed to find a new motherboard with a clean IMEI, and got the lowest android version possible (so I could use "CF Auto Root" and "Region Lock Away").
I can insert my SIMple mobile SIM and it detects it, and it detects my old T-Mobile SIMs, but it will not detect my active one. The version I had that partially worked of Android was 4.4.4, this "new" motherboard has 4.3.
Is it possible that, since the board has older baseband, it will not detect new SIMs? I am afraid to upgrade to the latest OTA as then I most likely cannot use "CF Region Lock Away". Can I root it first, then use the latest custom MOD, or must I do the OTA to get the baseband and low-level radio / SIM interface upgraded?
I was told by T-Mobile that this is a known issue on the S4, and should buy a new phone (of course). I haven't the means, and am trying to get this fixed, as it's really annoying. Anyone have this same problem, and have any ideas?
Thanks,
-Rob