Updating modem firmware
This simplifies the recovery process, since the recovery firmware only needs to bring up enough of the system to bootstrap a Linux image from local storage.
That image can then take care of reflashing the EEPROM and reimaging.
By the way, be sure to download your current official Samsung Galaxy S3 stock firmware and store locally.
You might need it when need to send back for warranty claim.
(Video) Download official Samsung Galaxy S3 firmware and stock kernel here, here or here.
Gear Head Support is a technical support service for NETGEAR devices and all other connected devices in your home.
The only time the user would discover PXE recovery didn't work is when the user is relying on it to repair their computer.
If the recovery firmware finds a USB drive/SD card with a good recovery image on it, it should boot it and use that to recover.
And there are carrier branded Samsung Galaxy S3 firmware to download too.All of these issues would need to be resolved, and the resulting firmware must be correct at the time the device ships, because recovery mode firmware can't be updated in the field.It is unacceptable to ship a mostly-working PXE solution, assuming that the user can fall back on a second computer in the event PXE recovery fails.And even download it and install with Odin manually later.
Or you can find them at XDA Forum and Sam Mobile website too.Note that recovery instructions need to be displayed in the correct language for the user.