Sim Failure - HTC Cavalier

I am using the Dopod version of this device on T-Mobile's network. My sim worked fine for quite a while, but now most of the time when I power the phone on is does not detect my sim. Sometimes it will, but later I check my phone and see that the sim is no longer working. I've tested other sims, and the sim is not faulty. I've also flashed a few different roms to see if I'd have any luck and did not.

Maybe the sim is moving out of place??? Something like that used to happen with one of my older Moto Q's. I used a piece of paper to keep it in place, maybe you can try that? Just a suggestion!

Related

unlocked phone suddenly says 'invalid sim'

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)

No SIM Card

I used my phone a few days ago then put it on a shelf. The battery ran down and I left it. I then plugged it in, turned it on and left it to charge. When I came back to the phone it said 'No Sim' or similar. I have taken the battery out, cleaned the connections, taken the sim and memory card and done the same then put it all back. For some reason the phone will not recognise that I have put a SIM in there. I do not have another SIM to test but why would it suddenly stop working? Could this be a radio problem?
I am running Oops Black v1.0 WWE Rom WM6.1 CE OS 19949 on an XDA Orbit.
Thank you!
Please...anyone...help?
I cant call my girlfriend, friends or family I have no money to buy a new phone and O2 have said that becuase its out of warranty they cannot help.
I have tried flashing the phone with a new ROM but that has not made any difference. I managed to test the SIM earlier on another phone and the SIM works fine. Must be the phone.
You just need to hard/soft reset until it picks up the SIM. I was just having this issue with my Kaiser and you just need to keep puttin the sim in and out until the phone picks it up. Also try putting the sim into the sim slot and pushing it down onto the contacts.
votum said:
You just need to hard/soft reset until it picks up the SIM. I was just having this issue with my Kaiser and you just need to keep puttin the sim in and out until the phone picks it up. Also try putting the sim into the sim slot and pushing it down onto the contacts.
Click to expand...
Click to collapse
Thank you for the reply. I have tried doing that but with no luck. It still does not like the SIM

Galaxy nexus wont get a phone signal till i put sim in another phone

Hi,
My stock Nexus will display emergency calls only till i take sim card out put it in another phone then that phone will get signal and then put the sim back in Nexus and it gets signal until i go into a no signal area then i have to repeat process to get signal back.
This is really strange and a restart or just taking sim out and in again doesn't work.
After this has all been done i get full signal and its fine till i lose signal then have to start again only started happening a few days ago.
can anyone please help.
Get a new sim card? Update/switch radios?
I actually had the same error, for me switching sim cards helped.
Try it.
It sounds like its the SIM not your phone.
The sim works fine in other phones though
blair287 said:
The sim works fine in other phones though
Click to expand...
Click to collapse
But the fact that the SIM doesn't work in your GNex until it's put into another phone means it's the SIM's problem... how would the GNex know that it's been put in another phone rather than just taken out and put back in?
blair287 said:
The sim works fine in other phones though
Click to expand...
Click to collapse
Maybe its a dumb sim?
Really try another sim
Galaxy Nexus AOKP m5 Franco kernel m3
k tried a Virgin sim (im on three) and that seemed to work fine so im going to ask for a another sim card from three.
Was the problem anyhow solved? It looks like I'm experiencing the same problem, but GN doesn't read my sim card that is readable in other phones and reads other sim cards.
for some random reason after 3 days it stopped doing it i think it was the three network not the phone or sim.

One V not recognizing any sim card, sim slot is dead?

Hey, I have my One v for about half a year now, and it worked perfectly with one sim, few weeks ago I changed to a different service provider, and the sim worked fine too.
Few days ago, I look at my phone and the bars just start to disappear, until it got to a state where I couldn't receive calls, SMS, surf the 3g web and so on. This morning (and yesterday's evening) I had bars fro few minutes, then it simply showed the name of the provider in the notification area, now there's just "no service". I tried swapping Sim's with my sister, which has the same phone - my sim worked on her phone, her sim didn't work on mine.
So my lucky guess is that the sim slot is dead, I wanted to know if there's any solution I should try before sending it to a store to find out wat is happen, or I should just do that and forget about it. Also, if the sim slot if dead, how much will it cost approximately to fix it?
Slot may not connect - maybe it's time to use "toilet paper solution" (as originally named for Nokia N900)? You should make piece of paper the same size as sim card and insert it with SIM card to slot to hold it with connectors and disallow separation. If not working experiment with paper with other thickness or size. Try this one and say about any changes.
And try with prepaid / old card
it may seem obvious, but have you already tried cleaning the sim slot by blowing all the dust out of it? that used to fix this sort of problems in my dumbphone.
Which nmforu
I owe my life to trees everywhere. Thank you dskowronski! it worked! tried doing what you told me, second time it worked - then I tried without the paper and voila!

Question Android 13 update problem

I updated my pixel to A13 last week and on restart was prompted to enter my sim lock pin, all seemed well but it wasn't. Somehow, my sim stopped working although my phone recognises it. Could it be the update broke my sim or is it just coincidence?
skinnykins said:
I updated my pixel to A13 last week and on restart was prompted to enter my sim lock pin, all seemed well but it wasn't. Somehow, my sim stopped working although my phone recognises it. Could it be the update broke my sim or is it just coincidence?
Click to expand...
Click to collapse
If you've tried the SIM Card in another phone & it's still not working, my guess is that it's a coincidence.
I'd reach out to your service provider for a new SIM Card, especially if the one you're using is more than a year old, it may not be able to fully take advantage of any/all of the newer/5G Bands on your network.
I know that this is recommended for T-Mobile US.
KOLIOSIS said:
If you've tried the SIM Card in another phone & it's still not working, my guess is that it's a coincidence.
I'd reach out to your service provider for a new SIM Card, especially if the one you're using is more than a year old, it may not be able to fully take advantage of any/all of the newer/5G Bands on your network.
I know that this is recommended for T-Mobile US.
Click to expand...
Click to collapse
I did try my sim in my old Samsung S7 and it didn't work. It just seemed strange that it broke after updating my phone but yes, it most probably is a coincidence
skinnykins said:
I did try my sim in my old Samsung S7 and it didn't work. It just seemed strange that it broke after updating my phone but yes, it most probably is a coincidence
Click to expand...
Click to collapse
FWIW, I've run several betas of 12 & pre & post stable 13,including stable 13 & haven't had any connectivity issues. The SIM is new, used the one that came with the phone.
Since it's not working on another device, I'd chalk it up to pure coincidence.
Before responding, I did a bit of Google-Fu, as I'm sure you did as well & didn't see anything pointing to the update causing the problem.
Now, wireless charging, especially with Google's 2nd Gen charger, that's another story.......

Categories

Resources