Ive been searching for the firmware of Devo M4. If i update on Deco apps.It says the version is the latest. There is a OPEN in the security of the deco apps, but it doesnt work. It has an error...

Its is chinese version TL CPE200...Can I upgrade it with english version using cpe210 ver. 1.0 firmware? Please help me.How can I make it in English?