Quote:
Originally Posted by k_semler
If you are doing it over an activesync via USB connection, it doesn't really matter. The reason why it is recommended that you have a 50% charge or higher is because if you are doing it the memory card route with no external charger/USB connection, your battery could die before the new ROM gets flashed. Failure to complete a ROM flash will most likely brick your phone. The reason it is reccomended to have a 50% charge or higher is simply risk management.
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when your in bootloader mode the phone does not charge through the USB. which is why they say 50% or better. of course the setup tells you that it can take 10 min to load the rom. i have never had one take more than 4 min.