Hi! So I bought a used phone (S23 U) from marketplace because my other phone died. Everything looked great until I inserted the sim card; it was carrier locked. I said to myself "not a big deal, I can change to ATT", checked the ATT website with the IMEI and apparently the phone was not fully paid. Shit.I start searching for methods on the internet: - "Return the phone" I would if I could, but the vendor even blocked me. - "Go to the police and report the guy!" I would if the police in my country actually worked- "Check a sim unlocking website" Most of these are shady scams with fake reviews, but based on TrustPilot and Reddit reviews, Doctorsim seemed to be the most trustable. An article from 2015 that discussed a layoff of employees due to them being related to unlocking hundreds of thousands of phones made me believe theres a chance this works. But unfortunately my phone doens't ask for a pin to unlock the sim card, which these companies provide to unlock the device so these won't work.As I already own the device and I don't have a lot of money, I am very commited to make this work, even if it involves a clumsy solution and a long and tedious process. I need a sim card for 2 things: mobile data, and calls. I dont really care about SMS.I am not very familiar with how android hardware or software works, so I would be really grateful if you gave me some feedback. Please don't take my post as me requesting a spoon-fed step by step guide on how to solve all my problems, but perhaps as me asking for suggestions or feedback :)Samsung knox came enabled in the phone by default so I disabled it because I think ATT can block access to my phone with thisHere's a few (perhaps dumb) ideas I've thought of:- Maybe replacing the ATT firmware with samsung's original will make inputting an unlocking pin posible for some reason and sim unlocking services might work?- I've heard the blocking actually occurs in other partition separate from the system that is encrypted, maybe I can access that partition somehow, unencrypt it, and change it?- I remember seeing external SIM readers for computers, maybe a solution involving this connected at all times might work? Still doesn't solve the call problem- Changing the IMEI and changing my phone service to ATT? The IMEI is changed so I don't my phone doesn't get identified as having a debt and my service is not suspended. But im unsure if this change is enough to make ATT not recognize the phone, and changing the IMEI to an already existing one can make duplicates and that's probably no good. by HowToHack on Reddit.com Got scammed, can I make my phone's SIM work? - Hi! So I bought a used phone (S23 U) from marketplace because my other phone died. Everything looked great until I inserted the sim card; it was carrier locked. I said to myself "not a big deal, I can change to ATT", checked the ATT website with the IMEI and apparently the phone was not fully paid. Shit.I start searching for methods on the internet: - "Return the phone" I would if I could, but the vendor even blocked me. - "Go to the police and report the guy!" I would if the police in my country actually worked- "Check a sim unlocking website" Most of these are shady scams with fake reviews, but based on TrustPilot and Reddit reviews, Doctorsim seemed to be the most trustable. An article from 2015 that discussed a layoff of employees due to them being related to unlocking hundreds of thousands of phones made me believe theres a chance this works. But unfortunately my phone doens't ask for a pin to unlock the sim card, which these companies provide to unlock the device so these won't work.As I already own the device and I don't have a lot of money, I am very commited to make this work, even if it involves a clumsy solution and a long and tedious process. I need a sim card for 2 things: mobile data, and calls. I dont really care about SMS.I am not very familiar with how android hardware or software works, so I would be really grateful if you gave me some feedback. Please don't take my post as me requesting a spoon-fed step by step guide on how to solve all my problems, but perhaps as me asking for suggestions or feedback :)Samsung knox came enabled in the phone by default so I disabled it because I think ATT can block access to my phone with thisHere's a few (perhaps dumb) ideas I've thought of:- Maybe replacing the ATT firmware with samsung's original will make inputting an unlocking pin posible for some reason and sim unlocking services might work?- I've heard the blocking actually occurs in other partition separate from the system that is encrypted, maybe I can access that partition somehow, unencrypt it, and change it?- I remember seeing external SIM readers for computers, maybe a solution involving this connected at all times might work? Still doesn't solve the call problem- Changing the IMEI and changing my phone service to ATT? The IMEI is changed so I don't my phone doesn't get identified as having a debt and my service is not suspended. But im unsure if this change is enough to make ATT not recognize the phone, and changing the IMEI to an already existing one can make duplicates and that's probably no good.
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