Downgrade wimax 622 2011 to 2009

[frodnob]

Hallo, i search a people in Bohol who can downgrade my wimax 622 from 2011 down to 2009.
pls post me here. thx. i am mobile, can come to you. i in Tagbilaran. thx

 

[Senpai]

Hello Frodnob theres no way you can downgrade your bm622 2011 to 622 2009, the one thing you can do on bm622 is just upgrade, when you try it to downgrade, theres a big chance that youll get your firmware brick,

if your unit is bm622m or dv235t downgrade upgrade is okay with that device.