Writes the Sim cart is not valid, all this happened after the update, is it possible to fix it somehow, my iphone 7 plus, here's my Phone 353810089208735
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did you go up to the top of this forum and see what it says is needed in order to unlock your device?
Your phone was jailbroke and not officially unlocked. The update caused it to lock.
And what to do now or just throw it away, I don't know what to do in this situation
Buy devices from reputable people and websites or purchase one from your carrier.
To qualify for a SIM unlock, you must be a T-Mobile USA customer and your account and device must meet all of the SIM Unlock Policy requirements.
SIM Unlock Policy | Unlock Your Mobile Wireless Device | T-Mobile
And what to do now or just throw it away, I don't know what to do in this situation
You can pay to get it jailbreak again but an update may ock it again.
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