Question Help with "convert T-Mobile to Global" LE2127

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Senior Member
May 5, 2009
Motorola Razr 5G
OnePlus 9 Pro
T-Mobile LE2127 PERMANENTLY Networked unlocked. I have the bootloader unlocked from ONEplus / T-Mobile directly (applied the unlock.bin). I have the phone rooted (made my rooted image and applied in fastboot). I have also tried with and without converting to Global with the carrier policy and lte features restrictions modified for 5G. I have successfully been able to (and learn) how to EDL and apply the MSM Tool with T-Mobile build.

I am on T-Mobile software version and both times when trying the flash_all.bat file, according to the "Convert T-Mobile OnePlus 9 to Global (or other) firmware" How To, I get various errors while flashing with things like...

update <filename> reflash device from
flashall flash boot, system, vendor and if found,
flash <partition> [ <filename> ] write a file to a flash partition
erase <partition> erase a flash partition
format[:[<fs type>][:[<size>]] <partition> format a flash partition.
Can override the fs type and/or
size the bootloader reports.
getvar <variable> display a bootloader variable
boot <kernel> [ <ramdisk> [ <second> ] ] download and boot kernel
flash:raw boot <kernel> [ <ramdisk> [ <second> ] ] create bootimage and
flash it
devices list all connected devices
continue continue with autoboot
reboot reboot device normally
reboot-bootloader reboot device into bootloader
help show this help message

-w erase userdata and cache (and format
if supported by partition type)
-u do not first erase partition before
-s <specific device> specify device serial number
or path to device port
-l with "devices", lists device paths
-p <product> specify product name
-c <cmdline> override kernel commandline
-i <vendor id> specify a custom USB vendor id
-b <base_addr> specify a custom kernel base address.
default: 0x10000000
-n <page size> specify the nand page size.
default: 2048
-S <size>[K|M|G] automatically sparse files greater
than size. 0 to disable
PS C:\platform-tools>

All to say, it doesn't work and it's a lot of work resetting up everything over and over again on T-Mobile (restoring, re-entering various passwords, and updating the 100's of programs etc..)

Is it really possible to convert? Am I supposed to be on a different build?