Question Sprint / T Mobile to Verizon, Splash screen still T Mobile - Samsung Galaxy S21 Ultra

I had Sprint from their inception. @ weeks ago I was told to go to T Mobile to replace the SIM card. Then the T Mobile apps and splash screen / boot logo replaced the Sprint. Not happy w T- Mobile, I contacted Sprint and requested the phone be unlocked, since I own the phone and purchased it through Samsung, locked for Sprint at the time. They unlocked it and then I went to Verizon. They confirmed it was unlocked and compatible, they inserted a Verizon sim card and now I have Verizon on the status bar. However, I still have the T Mobile start up screen as well as the shut down screen. I un installed all the T Mobile apps, restarted many times, but still have the T-Mobile boot screen. Phone is stock with latest updated, Any help appreciated, Thanks

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Straight Talk And Sprint Cluster F HTc One $ S3

So i wanted to do the BYOP with straight talk.. Went to the store got a BYOP Kit $59 and another 1 month $45 Card. Then (after checkin straight talk's MEID check on there site) Checked the MEID of the Samsung S3.. Went thru the activation process and it went thru fine.. Phone Didnt work. It was stock no root ect. Well... I suspected maybe there was a lost/stolen or past due so i called sprint and after 4 attempts and some social engineering that SWIM is not and is proud of was able to determine there is 249 balance and they wont release the phone .. The guy lied to me and said it was deavticated and free and clear. Great.
So yesterday I find a HTC one with a cracked screen but still works.. Great. I run the MEID thru straight talk and Sprint and its good and clear.. Awesome no past due's everything is ok.
Get home tried using the Tmobile Micro Sim and completed the activation process and it goes thru ok! (Dont you love how they make ya feel warm n fuzzy..) I go into the setting on the HTC one and change the mobile data between 4g lte Cdma to gsm and then do the root and sim unlock running viper and get the hidden menu and via *#*#4636#*#* and change the settings to WCDMA GSM ONLY Gsm Auto Prl.. And nothing..
Then spent 2 hours on the phone with Straight talk, got them to cancle out the Tmobile sim and Activated a Att Mirco Sim (They Said it would be better coverage ect) And still Notta.. I got a Htc One 32gb Boot Loader Unlocked (Presumably SIM Unlock) and Rooted and Would really like to get it working on Straigh talk.. I have seen a couple of people on here that have accomplised this But cant get a response from them how they did it.
I really need a working phone cause of the kids, ect. Does anyone have any ideas?
I also have seen how some of these knock off MVNO's say that a past due bal isnt a issue and they can flash a Sprint phone No Issue.. But seems like the S3 wont work unless someone knows of a sure fire place that can do it.
Or getting my HTC ONE to work on a Sprint MVNO but im assuming they will want a UICC# or Sprint 4g Mico Sim card number. And I dont know how to get one of those or who might have them.
Any one have any solutions how i can accomplish getting a working Phone preferably with 4g.. Id even trade these damn things out at this point. I would most likely like to get that HTC One on Sprint thats been unlocked to work with straight talk using its International Capabilities and the ATT Micro Sim that is now active and registered because i have 3 months paid thru them.. Any ideas?
Mortland said:
So i wanted to do the BYOP with straight talk.. Went to the store got a BYOP Kit $59 and another 1 month $45 Card. Then (after checkin straight talk's MEID check on there site) Checked the MEID of the Samsung S3.. Went thru the activation process and it went thru fine.. Phone Didnt work. It was stock no root ect. Well... I suspected maybe there was a lost/stolen or past due so i called sprint and after 4 attempts and some social engineering that SWIM is not and is proud of was able to determine there is 249 balance and they wont release the phone .. The guy lied to me and said it was deavticated and free and clear. Great.
So yesterday I find a HTC one with a cracked screen but still works.. Great. I run the MEID thru straight talk and Sprint and its good and clear.. Awesome no past due's everything is ok.
Get home tried using the Tmobile Micro Sim and completed the activation process and it goes thru ok! (Dont you love how they make ya feel warm n fuzzy..) I go into the setting on the HTC one and change the mobile data between 4g lte Cdma to gsm and then do the root and sim unlock running viper and get the hidden menu and via *#*#4636#*#* and change the settings to WCDMA GSM ONLY Gsm Auto Prl.. And nothing..
Then spent 2 hours on the phone with Straight talk, got them to cancle out the Tmobile sim and Activated a Att Mirco Sim (They Said it would be better coverage ect) And still Notta.. I got a Htc One 32gb Boot Loader Unlocked (Presumably SIM Unlock) and Rooted and Would really like to get it working on Straigh talk.. I have seen a couple of people on here that have accomplised this But cant get a response from them how they did it.
I really need a working phone cause of the kids, ect. Does anyone have any ideas?
I also have seen how some of these knock off MVNO's say that a past due bal isnt a issue and they can flash a Sprint phone No Issue.. But seems like the S3 wont work unless someone knows of a sure fire place that can do it.
Or getting my HTC ONE to work on a Sprint MVNO but im assuming they will want a UICC# or Sprint 4g Mico Sim card number. And I dont know how to get one of those or who might have them.
Any one have any solutions how i can accomplish getting a working Phone preferably with 4g.. Id even trade these damn things out at this point. I would most likely like to get that HTC One on Sprint thats been unlocked to work with straight talk using its International Capabilities and the ATT Micro Sim that is now active and registered because i have 3 months paid thru them.. Any ideas?
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Always make sure you check the imei of all phones you purchase. You mine as well flash it to cricketr or page plus. Also you can get edge speed with AT&T gs3 on straight talk

Unlocked T-mobile S8 to Verizon VZW boot screen and VZW apps installed

Hi all did not know if it should be posted here or the Tmobile section.
I bought a T-Mobile S8 today that was unlocked yesterday by T-mobile.
When I put in my VZW Sim it rebooted. Normal is have seen this before.
What I have not seen before is that it installed a new boot screen (from T-MO to VZW)
It installed all these version apps. some could be deleted other could not.
What gives with this forced download of these apps I will never use?
Not new to android just new to Samsung. All my other devices have been direct from maker of the device.
Nexus devices then Essential.
Can I reboot the phone with a new sim and get rid o the apps?

PSA - Sprint Models - Factory reset can cause phone to relock / invalid sim card.

PSA for Sprint Moto z3 Play. After the last software update to Build OCW28.70-47, a factory reset caused my phone to no longer read my sim card and appears to somehow have relocked the phone to Sprint. Prior to this software update and reset, the phone read my T-Mobile sim card fine and connected to the network. Calling Sprint verified that my device was already sim unlocked. Calling T-Mobile and they can't do anything on their end. Lastly calling directly to Motorola, and they confirmed that they have already received other calls and that they are working on a software update to fix this glitch. For now, this leaves me with a phone I can't use until this software update fixes it. So just sharing here so others in this situation won't be in the same boat.
LBN1 said:
PSA for Sprint Moto z3 Play. After the last software update to Build OCW28.70-47, a factory reset caused my phone to no longer read my sim card and appears to somehow have relocked the phone to Sprint. Prior to this software update and reset, the phone read my T-Mobile sim card fine and connected to the network. Calling Sprint verified that my device was already sim unlocked. Calling T-Mobile and they can't do anything on their end. Lastly calling directly to Motorola, and they confirmed that they have already received other calls and that they are working on a software update to fix this glitch. For now, this leaves me with a phone I can't use until this software update fixes it. So just sharing here so others in this situation won't be in the same boat.
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Click to collapse
Quick question, did you unlock it through Sprint? How's the service and reception on it?
I'm on T-mobile and thinking of buying a Sprint variant to unlock and use with T-mo.
Thank you
I got this phone from a reseller already unlocked thru Sprint. For the short time it worked on T-Mo before it got relocked, service and reception was fine. But my advice is Don't Do It! Buy yourself the fully unlocked version, don't bother with a Sprint model to unlock as it is not worth the hassle; plus the fully unlocked version has 64gb versus 32gb on the Sprint version. Unless you are on Sprint, don't get the Sprint model!!! My story is similar to hundreds of other people with other phones having much difficulty in getting a Sprint model unlocked to work on other carriers (e.g. Essential phone has lots of similar problems).
UPDATE: Was able to go to a Sprint store, get a sample Sprint sim, insert and request the UICC unlock code and it got pushed through again so now my X3 is again unlocked for any carrier and now works with my T-Mo sim. So you need a Sprint sim to get that unlock code pushed thru, won't work just on wi-fi without that Sprint sim!
have an update for us to hear? this xt1929-3 still unlocked...
we bought this model (sprint) as a cheap gamble off ebay and it was the best thing. put in my redpocket gsm-t sim this morning and it says in the system update setting under uicc unlock "the device is unlocked for any sim card". that was even after unlocking the bootloader last night. thought we were going to need to do some modding to get away from sprint but didnt have to! so thrilled we will have this nice phone for the wife to enjoy.

Bought unlocked renewed phone and used TMobile SIM to test, now it's carrier locked.

Out of the box the phone was unbranded, and the phone is for my girlfriend's mom, who lives in the Philippines. I have TMobile and wanted to test that it would work so I put in my sim to test it. After a reboot it had the the TMobile splash, sounds and apps that it didn't have before, and now it says that it's network locked.
Can this be flashed back to the way it was out of the box? I've rooted phones before, so I just need to know what to do IF it's possible, or do I just have to try to get it carrier unlocked now and it will stay TMobile branded?

HELP! how do I "completely" remove Verizon so I can use with T-Mobile

MODEL SM-G977U
So here is what I have going on, I have 2 s10 5G's with a Verizon model #, I bought these in the Facebook Marketplace from a reputable reseller last September, I now just realized the ad said "works with Verizon only". I added them to my Verizon account, and now a year later I decided to move to T-Mobile. At the store T-Mobile put a sim card in the phone to see if they were unlocked and the phone showed signal bars, and the T-Mobile apn, but when the rep activated the sim cards the bars disappeared and showed an x, and a white banner popped up on the bottom of the screen (see screenshot).
Got with Verizon Tier2 tech support today with 2 different reps, both of which were with Verizon for over 10yrs, everyone at Verizon has confirmed the device is unlocked,, clean IMEI, no flags, nada, the 1st rep said the only option was that I factory reset with the T-Mobile sin card in the phone, when the phone rebooted it would boot T-Mobile, (pita, had to use smart switch on pc to backup everything), well that didn't work, it booted Verizon, and still the same message.
The 2nd rep on a 2hr call checked and re-checked everything, said also there are no locks on the devices, nothing that they can do as they are not hijacking the phone.
So I have 2 devices that I cannot use.
I haven't rooted a phone since like 2014 lol, but I recall you can boot into the bootloader or something, I remember something about NAND, so I am wondering, is there a way to complete erase anything related to Verizon, and just leave the phone without any carrier info or files, and load T-Mobile?
Please help, I really would like t use these devices, I am not in a position to get into another device right now.
Thanks in advance!

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