Compatible issue

  • Hungry-Hog
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1 month 1 week ago #1 by Hungry-Hog
Compatible issue was created by Hungry-Hog
I have a T-Mobile 665 flip phone which was with T-Mobile service for quite a few years. I want to use it with tello but BYOP check returned an incompatibility result.  I wonder why.

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  • joseph
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1 month 1 week ago #2 by joseph
Replied by joseph on topic Compatible issue
Is it 4G?

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1 month 1 week ago #3 by Hungry-Hog
Replied by Hungry-Hog on topic Compatible issue
I have no idea. It says alc665, made in 2012.

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  • bingyee
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1 month 1 week ago - 1 month 1 week ago #4 by bingyee
Replied by bingyee on topic Compatible issue
I just activated a Ting SIM today. At first, I tried to give them an IMEI of an iPhone 5s Verizon unlocked. Ting wouldn't accept it. I then gave them an IMEI of an iPhone 8, which was accepted. After my number ported over and the line was working on the iPhone 8, I swapped the SIM into the 5s and the line worked fine.

I bet it's an issue of T-Mobile and their MVNOs only allowing initial activation using a phone that has VoLTE capability.  However, the SIM can be swapped into a non-VoLTE phone after the line is activated. 

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1 month 1 week ago #5 by Hungry-Hog
Replied by Hungry-Hog on topic Compatible issue
This answers my question perfectly well! I am going to try it and give feedback. Thanks!

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