Your carrier may have a compatibility checker web page where you can see if. The sim card might be invalid because the phone is older and uses the wrong wireless connectivity technology.

12 Methods To Fix Invalid Sim Card Error On Android
Hi my htc sprint one when put a sim is showing the message that 4g network unavailable.

Invalid sim card sprint. Use the eject pin or a paper clip to pop out the tray. Once it is corrected you should be able to (while connected to wifi) simply pop the sim out and replace it again to trigger an activation policy update. Choose or input the brand of your device.
(i'm switching with dialer codes.) very frustrating for a new phone. Apple has given me a new phone with a new card but the problem still continues. A days before, when i put a sim card in my samsung galaxy s5 sprint then it worked totally fine.
I was getting the invalid sim card issue when trying this on my samsung a50 (not a 5g phone). Make sure sprint has the right iccid (sim card number) attached to the phone in their system. Try to reseat or disconnect the sim card from the phone and see what happens.
1) have your imei and ccid available and ready 2) log into your boost mobile account on a device through their website (boostmobile.com) But it's been a week since my the phone had the invalid sim card message. I was just annoyed with the device activation because it wasn't activating my device.
Sprint reps double checked that it is unlocked and said that: Luckily tmobile is the best service in. Sprint and apple seem to be unaware of the problem, however, this problem is also happening on earlier models of the iphone.
Follow these steps to fix network locked sim card inserted issue: 1) for sprint phones built prior to february. They suggested i do a factory reset, which i just did and again, after five minutes, invalid sim card.
Samsung s5 sprint invalid sim card. Then check your email after that, and you will receive your sim network unlock pin and detailed steps on. Moved sim over and completed activation with sprint than began getting this message the sim card has locked.
Sprint swears up and down that it is unlocked domestically and internationally. It still displays invalid sim card. Hoping for a quick fix.
Ting, these forums can be a resource to answer a problem a number of customers are having. Heres what you need to. Locate the sim card tray on your device.
Please power cycle the device if problem persists contact customer service followed minutes by invalid sim quoted from apple discussions. I recommend getting in touch with our support team at ting.com/support so we can troubleshoot your 4g connection issues with you. Invalid sim card errors, then falls back to tmobile.
I even had a new sim card installed but nothing was solved. The problem seems quite wide spread. I have been dealing with an invalid sim error on my sprint iphone 5 since launch date.
If you encounter similar issues, it is likely to be a carrier sim issue. So i had a phone number and phone switched into my at&t account from a sprint account , and i had it unlocked before switching and everything was confirmed by sprint and at&the. I bought my x4 about a month ago from google fi, and it has the same problem switching to sprint.
Tell sprint to put this iccid (sim card number) into their system and it should fix the problem. Apr 30, 2016 at 7:06 am. If you want to remove frp from this j327pvpu4arf2 version, go here:
Go to doctorsim.com from a web browser. If that doesn't work plugging it into an internet connected computer with itunes should trigger a policy update. If your phone shows invalid sim it means it is relocked, you can unlock again same methods mentioned.
Once the device is completely turned off, remove the battery. If your wireless service provider, such as verizon or sprint, has released an update, your outdated phone may not be connecting properly, and this can appear to be a sim card issue. Removing the sim and putting it back in, it will work for about five minutes and then say invalid sim card again.
In case anyone is jumping to the bottom of this thread, this is exactly what you need to do if you are getting invalid sim card on a newly purchased boost mobile phone with the 5g sim card activation kit. Invalid sim card error may sometimes be caused by a sim card or network bug. You might have to restart the device.
I have the same issue on 8.3 with a used iphone 5. The sprint store said they have had other people coming in for this same issue.

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Invalid Sim Card Sprint. There are any Invalid Sim Card Sprint in here.