Use the programmer software to the chip and then Write the .bin file from your RAR archive.
: Tools like the CH341A are often used to write to the Winbond 25Q16 flash chip found on this board. Download ZTE idoom ADSL ZXHN H108N Dump rar
: This site is a common source for North African/Middle Eastern firmware like idoom, offering version V2.5.4_DZT3 as a RAR download . Use the programmer software to the chip and then Write the