because this phone really has poor support and too many people sold it for that reason .
for those how want travel to 4.4.2 with ota update but face red triangle because of unlocked boot-loader or s off
1- download cwm back up 2.37.720.1
2- download cwm recovery for 802d
3- download htc soundrecorder , flash light, we-chat , calculator ( all needed download link are listed)
4- download root explorer or any file manager which can edit system folders
go to the fastboot and flash cwm recovery
fastboot flash recovery recoveryname.img
go to recovery and make backup
copy cwm backup 2.37.720.1 to your phone
go to cwm recovery and restore this back up
reboot system ( cwm will ask for root system. you should hint yes)
now your phone software is 2.37.720.1
install root explorer
mount as r/w
go to data folder
make new folder named ( preload)
copy those apks to preload folder ( flashlight sound-recorder ......)
rename wechat from com.tencent.mm-1 to weixin.apk
install all of them ( some of them failed to install . that dose not make problem )
now go to setting and update and download ota update 4.4.2
after download complete chose install later .
go to download folder and copy update zip to root of memory card.
go to fast boot flash stock recovery
go to recovery chose install zip from sd ( use combination of volume up and power to see stock recovery menu)
chose ota update zip and let install.
it will reboot in recovery and need to do it again
and two times reboot during installation .
these are files you need to download
cwm backup 2.37.720.1
stock recovery ( extract from firmware.zip)
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