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Just curious on how Verizon can embed software into phones to block *#0*# and *#7343*# diagnostics menu and why do so.
Does flashing with any firmware bypass this with odin?
It just makes testing so much easier when this is available.
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@andre_faughn . Which Samsung phone do you have?
Yes, Verizon has final say what goes into the firmware on Samsung phones that they sell.
Tmobile and AT&T do the same.
It also could be that Samsung has retired the codes you mentioned and changed the access code for the diagnostic menu, or Verizon disabled them as you suggested. A very good reason why it would be disabled or changed is because Galaxy 2 ,3, 4, and early 5, had a specific order you go through the menu and it would unlock the phone permanently. Obviously, the telecoms aren't happy about this, especially when these phones are sold at a discounted price.
Alternate ROMs may have these codes still.
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That makes sense, I was just curious to why and how they do it, being the only carrier that limits that capability. I do repairs for a company with 14 stores who sell used phones so its pretty much every model I work with. Thank you for the information I really appreciate it.
@andre_faughn no problem. I have a Galaxy S8+ that was originally Verizon FW, and I followed a reddit thread on how to flash to stock unlocked FW. This brought back the diagnostic command.
I know this is an old thread, but I haven’t had much luck on this. I have an UNLOCKED S10+ on Verizon. I bought it directly from Samsung, and it is clearly unlocked. I am unable to access the diagnostic codes on the Verizon network. I didn’t think of trying it before I put their SIM in. I have tried it after clearing the partition cache , SIM in, SIM out, even in safe mode and every combination thereof. How does Verizon block it that way? Is it possible to bypass it? I’ve talked to Verizon Tier 2 CS and they were unable to help. My local store wasn’t much help either. Any ideas?
해당 답변은 도움이 되었습니까?
You need to go buy one of those BYOD prepaid sim cards from a different carrier like att or t-mobile. Think they are usually $1. No need to subscribe to the service though. Pop your sim out and put that in and your secret *# codes will be unlocked. Unfortunately when you put your carrier sim back in* most likely verizon* the codes gets blocked again
*#0*# is not working
해당 답변은 도움이 되었습니까?
Looks like you have to use My Verizon app for diagnostics
*#0*# not working on any Verizon Samsung phones. I have an S8+ on TMobile and Note9 on Verizon. The diagnostic menu code worked fine on the S8+ on TMobile but not the Note9 on Verizon. I swapped the SIM cards be and did the necessary restarts. Voila! Now the code works on the Note9 on TMobile but not the S8+ now on Verizon. Ergo, the problem is NOT the device but is the fault of the carrier, Verizon. Why is Verizon so crappy about letting us diagnose our own phones?
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