Carrier name blank using T-Mobile after upgrading to 3.1.2

There are a ton of posts on this issue.

dontwalkhand said:

Carrier name is blank, I do not know why. Shouldn't it say T-Mobile at the top? I rather not use Make it mine, and rather have it display properly

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Won't display correctly with old baseband and newer firmware.

dontwalkhand said:

Is there a way to patch this or pretty much Make it Mine is it?

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Yes, if you can use plist editor there is a whole thread on it here.

where?

(sorry - don't mean to come across as short)

TWHH said:

where?

(sorry - don't mean to come across as short)

Click to expand...

"Yes, if you can use plist editor there is a whole thread on it here."
Here, as in MacRumors

And since you didn't bother to browse before posting your question, then I'm sure you didn't browse for the thread with the solution.

OK, I will spoon feed you

https://forums.macrumors.com/threads/798473/