Yes it is possible, No Microsoft will not ban you as long as you use STOCK firmware.
For flashing i use jungleflasher found here: Jungle Flasher - Downloads
A tutorial can be found here(pdf): Hotfile.com: One click file hosting: jftut1.4.0.FINAL 3.pdf
you might need some help setting it up to extract the firmware, if this is the case let me know and i will gladly assist.
For flashing i use jungleflasher found here: Jungle Flasher - Downloads
A tutorial can be found here(pdf): Hotfile.com: One click file hosting: jftut1.4.0.FINAL 3.pdf
you might need some help setting it up to extract the firmware, if this is the case let me know and i will gladly assist.