Develop Bugs

Sim card not recognised after taking phone apart!!

I took the back cover off the phone but in the process forgot to take out the sim car and holder. I ended up bending the sim card a little and the holder but straightened them both up, but when I insert the sim card I get nothing. I've tried bending the phone at the top and the and it sometimes notices the sim card. I have purchased a new sim card holder just incase its an easy fix. Has anyone else had this problem?
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https://www.dropbox.com/s/0c4ux6zqur9emtc/2013-06-19 12.16.38.png

I just put someone elese sim in and it worked, so I damaged my sim and not the phone which is good. Shame I have to pay £10.21 from T-mobile for a new sim card!!

[Q] No service-insert SIM card on GSM Nexus

I'll occasionally have my phone drop my connection to the network and claim that it has no SIM card inserted. I'll turn off the phone, pull of the back, remove and reinstall the SIM card, and turn the phone back on. Most of the time this fixes the problem.
I've noticed it seems to happen after my phone gets hot (using Google maps navigation, playing Ingress, etc.) I'm not sure if this causes it or not, but it's something that I've observed.
This seems to be happening more often than it used to.
Any ideas on how to prevent this from happening again? I need a reliable phone when I'm on call at work.
Thanks!
Pictures:
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Service message center option is read only (greyed out)

Hi,
I just replaced my sim card on an LG G4 (H815)
I can no longer send text messages.
I went through the options and saw the message center number is incorrect (it's configured to be for subscription customer and I'm on prepay)
The option however is greyed out and I've been struggling for the last 2 hours to find a way to change it to the correct one.
Here is a screenshot of the problem
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Problem solved
In case anyone gets to this problem, I was able to fix it by putting the sim card into another phone that has the ability to change this service center number.
Once I did that, I put it back into LG G4 and it worked.

Airplane mode is toggled when sim is installed

When I install sin in a sm-975u note 10+ us version, the airplane toggle lites up halfway dim and no cell service icon is where the signal level is normally the screen has been changed and the boards seem to be correctly matching. When I got the phone it was Google locked I paid an ebay company to fix and seems they did fix frp. The phone had Verizon icons I sold it to a friend he put a at&t sim and the phone didn't work so I put a verizon sim in and no luck. I did a imie on byop on verizon and swappa phone is good to go

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i'm facing same issue and don't know how to solve .
The sim card is no problem because i try it with another phone,its work normally

Annoying notifications - SIM 1: no service

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Note 8 Pro Global MIUI 12.5.8
I get this annoying notification all day long, it goes away and pops up again after a few minutes. The SIM slot is ok and the SIM card is functional. I tried another SIM card from different provider and the same problem exists. I also select the network manually but to no avail . I called my network provider and they confirmed that everything is fine with the network. This is the first time I have this problem. The phone has never been physically damaged or software modified.
I appreciate any advice or help. Thanks!