I am using orange pi plus 2  h3 and debian image is installed to the emmc . I am a biginner
unable to update
root@OrangePI:~# sudo apt-get update
Ign http://ppa.launchpad.net jessie InRelease                                 
Ign http://mirrors.ustc.edu.cn jessie InRelease                                
Ign http://ppa.launchpad.net jessie Release.gpg                                
E: The method driver /usr/lib/apt/methods/https could not be found.            
N: Is the package apt-transport-https installed?
unable to upgrade
root@OrangePI:~# sudo apt-get upgrade
Reading package lists... Error!
E: Unable to parse package file /var/lib/apt/lists/mirrors.ustc.edu.cn_debian_dists_jessie_main_binary-armhf_Packages (1)
E: The package lists or status file could not be parsed or opened.
unable to install any software eg transmissionroot@OrangePI:~# sudo apt-get install transmission
Reading package lists... Error!
E: Unable to parse package file /var/lib/apt/lists/mirrors.ustc.edu.cn_debian_dists_jessie_main_binary-armhf_Packages (1)
E: The package lists or status file could not be parsed or opened.
please help me to get it installed  with detailed steps

>I am a biginner

Try rather here:
https://www.armbian.com/orange-pi-zero-plus-2-h3/

It's way more polished Debian.