Hello, All.
I've successfully completed my quest in getting my Verizon Galaxy S7 to work with AT&T's primary LTE band; Band 17.
At first I was using the PE1 firmware with root. I first used Phone INFO (for Samsung) app to access the service code 2263. On PE1, only the factory Verizon-supplied bands were showing as supported. Band 12/17 were not showing in the service menu.
I took my chances and flashed the G930U firmware (found on the AT&T S7 forum of all things) and booted the phone with my AT&T SIM card. I ran LTE Discovery and achieved profit. Band 17 was working with the same signal as the iPhone 6S the SIM card came out of.
Also, the 930U firmware completely debrands the phone, which is perfect since I'll be using it on AT&T. After I confirmed band 17 I proceeded to root using the normal method of flashing the engboot and installing the root/SuperSU package per the root instructions. I did not use the Verizon PE1 debloater/fixes .zip files to make necessary tweaks, post root. I performed the tweaks manually (wifi fix, CPU governer: interactive, and SecurityLogAgent) .. Let me know if I'm missing anything in those regards please.
The ONLY thing I can't do now is view all the LTE bands in 2263 Service Mode. I get a "RAT Selection option: is restricted".. I want to see if all LTE bands are unlocked now. If you know of another way to see all the supported LTE bands, please let me know!
I now have exactly what I was set out to accomplish and it's great. The S7 is replacing my iPhone 6S on AT&T and I will be buying a Note 7 to replace the S7 on Verizon. If/when root is achieved on the Note 7 I will do the same and replace the Note 7 on Verizon with the iPhone 7 (I cycle my personal/business phones as a guilty pleasure if you can't tell already)
Screen shots attached
I've successfully completed my quest in getting my Verizon Galaxy S7 to work with AT&T's primary LTE band; Band 17.
At first I was using the PE1 firmware with root. I first used Phone INFO (for Samsung) app to access the service code 2263. On PE1, only the factory Verizon-supplied bands were showing as supported. Band 12/17 were not showing in the service menu.
I took my chances and flashed the G930U firmware (found on the AT&T S7 forum of all things) and booted the phone with my AT&T SIM card. I ran LTE Discovery and achieved profit. Band 17 was working with the same signal as the iPhone 6S the SIM card came out of.
Also, the 930U firmware completely debrands the phone, which is perfect since I'll be using it on AT&T. After I confirmed band 17 I proceeded to root using the normal method of flashing the engboot and installing the root/SuperSU package per the root instructions. I did not use the Verizon PE1 debloater/fixes .zip files to make necessary tweaks, post root. I performed the tweaks manually (wifi fix, CPU governer: interactive, and SecurityLogAgent) .. Let me know if I'm missing anything in those regards please.
The ONLY thing I can't do now is view all the LTE bands in 2263 Service Mode. I get a "RAT Selection option: is restricted".. I want to see if all LTE bands are unlocked now. If you know of another way to see all the supported LTE bands, please let me know!
I now have exactly what I was set out to accomplish and it's great. The S7 is replacing my iPhone 6S on AT&T and I will be buying a Note 7 to replace the S7 on Verizon. If/when root is achieved on the Note 7 I will do the same and replace the Note 7 on Verizon with the iPhone 7 (I cycle my personal/business phones as a guilty pleasure if you can't tell already)
Screen shots attached
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