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Maybe you'll find better info over at XDA. The Milestone section here doesn't seem to be very active.ok, well i got 1FF-p3a_shadow_cdma_shadow-user-2.3.4-4.5.1_57_DX8-51-120111-test-keys-signed-Verizon-US.sbf to work but it wont activate because its verizon and im on alltel... tried SHADO_X6_3.1.39_SHADOW_BP_C_02.06.00R_AP_BP_Flex_20_signed_secure_alltel_1ff_P3_USERBLD.sbf but it dont work, just gives me the bootloader error and wont go any further.. any suggestions?
1FF-p3a_shadow_cdma_shadow-user-2.3.4-4.5.1_57_DX8-51-120111-test-keys-signed-Verizon-US.sbf
fix for err a5 70 70 00 1f
It really does sound like you are on .621, as there are multiple people who bricked their X's across the boards when .621 came out and they attempted to SBF back to .602. You can successfully resurrect a bricked X if it was on .621 even if you tried to flash the .602 SBF by flashing the .621 SBF.
I will PM you the link to the applicable pages @Rootzwiki; I would try downloading the .602 SBF from my dropbox first and verify the MD5 sum (I use an MD5 on the .7z compressed file). Make sure you are on RSD 5.4.4 with the latest drivers and using your OEM USB cable. This will eliminate any possibility of other problems. Since you don't know if you have .605 or .621 I would do the .602 SBF (it is interchangeable, there is no .605 SBF). If you get the same mem_map error then it is most likely because you have received the .621. Only use the .621 SBF as a last resort. Once you are there, no turning back. But if we have confirmed you do not have further options, that would be last one you would want. The 25th is *right* around the day they started rolling out .621 nationally, so thats why I'm wondering. At this point anybody can pull the OTA and I believe its live in all regions.
P.S. RSD Lite is tricky as well, mine never shows my phone when I hit "Show Device" it hasn't populated device info since a 4.x version. However, I have never had a problem updating. Just make sure you have the line down in the bottom of RSD, let it process and make sure it gets to "Rebooting Phone" if you get past the bootloader then you are good and then you will probably need to enter stock recovery and wipe data, and it'll boot. If you are still in bootloader with the mem_map error after it gives a successful SBF and gets to "Rebooting Phone" then most likely you are on .621
Finally, as cochiro said, careful with your batteries. If you don't have an external charger it can't charge in the phone while in bootloader, so make sure you're pulling it when not in use.