Device Brand : L8
Device Model : w20_648_aw_xxh_x8_p9_plus
Device CPU : MT6580
Device IntName : full_w20_648_aw_xxh_x8_p9_plus
Device Version : 5.1
Device Compile : 9/5/2016 9:11:41 AM
Device Project : W20E_AX_XXH_X8-P9-PLUS_V05
Device ExtInfo : L8

3. No need to press the boot key to connect for flash. (sqhowl L8 Firmwaer Download Link ).
4. Browse the flash file from your pc.    password link =http://sksoha.com/single.php?id=39&cat=8