[Q] Nandroid recovery and lost baseband - Motorola Photon 4G

Hello, this is my first post, so please excuse any stupid questions. I've looked and I don't see anything covering my situation.
I've been playing with my personal Nexus S4g since I've had it, and have never had issues with it, sans having to unbrick it once.
However, my wife's Photon 4g is another story. When I first got her the phone I rooted it and put on the bootstrap recovery. I made nandroid backups before every OTA update with it. As with many others I got the 2.3.5 OTA that permalocked my bootloader, which was cool, because I didn't want her to lose wimax, and was waiting for ics anyway. When the ics update was canceled, I figured I'd do a nandroid recovery back to 2.3.4 so I could unlock it and put on a better rom, since 4g isn't much better than 3g in Dallas for Sprint and both are crap (plus the reception on the Photon is amazing compared to the crappy antenna on my Nexus S4g).
Anyway, the recovery was without incident, but I lost the radios. There's no 3g, 4g, or wifi. I read on one of Peetr's threads that each baseband file was specific to each kernel, so I'm assuming that the recovery left the 2.3.5 baseband file intact; hence the incompatibility. I used the RSDLite tool to upload the last 2.3.4 SBF file, which failed (although I think they all say they fail).
Then I downloaded the radio sbf for 198_7, and the 198_7 lib.moto_rl.so files to see if I can put in the radios from the recovery. It's my understanding that I first have to flash the lib.moto file using the bootstrap recovery, then use the RSDLite tool to flash the radio sbf file.
Is this correct? Or, do I also need to put in a custom kernel?
BTW, the easiest way to unbrick, or fix a phone after the 2.3.5 OTA is to just take it to a Sprint store and they can flash that OTA update on it. I've seen other posts that deal with the issue, but that's what I'll have to do if nothing works.
My system is currently:
Sys Version: 45.3.6.MB855.Sprint.en.US
Version: 2.3.4
Baseband: Unknown
Kernel: [email protected] #2
Build# 4.5.1A-1_SUN-198_6
ERI: UNKNOWN
PRL: UNKNOWN
I called Sprint, and they reset my connection, but without a working radio I can't update the PRL or ERI.
Thanks,
Rick

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RickJH said:
As with many others I got the 2.3.5 OTA that permalocked my bootloader... When the ics update was canceled, I figured I'd do a nandroid recovery back to 2.3.4 so I could unlock it and put on a better rom, since 4g isn't much better than 3g in Dallas for Sprint and both are crap (plus the reception on the Photon is amazing compared to the crappy antenna on my Nexus S4g).
Click to expand...
Click to collapse
You can't unlock when you take the ota. Even if you use the bootstrap to recover, it will not overwrite your bootloader to its previous state. Chances are you need 254_12 ril/libs for the radio to work. The ota blocks sbfing to stock baseband because of the signature check that the bootloader requires.
Instead of 198_7 try flashing 254_12 files via bootstrap.
http://forum.xda-developers.com/showthread.php?p=29366503
Sent from my MB855 using xda premium
supportmymoto.com

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Thanks buddy
hoslayer13 said:
You can't unlock when you take the ota. Even if you use the bootstrap to recover, it will not overwrite your bootloader to its previous state. Chances are you need 254_12 ril/libs for the radio to work. The ota blocks sbfing to stock baseband because of the signature check that the bootloader requires.
Instead of 198_7 try flashing 254_12 files via bootstrap.
http://forum.xda-developers.com/showthread.php?p=29366503
Sent from my MB855 using xda premium
supportmymoto.com
Click to expand...
Click to collapse
That's what I was afraid of. I had already downloaded those other files, just in case, but I didn't flash them because I didn't want to ruin the outside chance I might have been able to pull this off after all. I flashed the 254_12 files and baseband file sbf via RDC, and my signal came right back. Still no wifi, but I'm sure it'll come after I reaccept the OTA update.
Thanks a lot for you input. I appreciate it. This bootloader issue really pisses me off, since this phone is more capable than most of the one out there today.
Cheers,
Rick