Hello, i jus treceived my 4c. i wanted to install the weekly rom. but i dont know how to do that. i read to install flash and then twrp? then install the rom? i already tried to update it via updater and renamed the rom zip file to update.zip. it didnt worked. can anyone help me with this? i already tried to install twrp via flashify but it doenst work either. and i dont have playstore neither on my phone.