Want 2 upgrade my Ram

[phdexterguiller]

Model: ZE551ML
RAM: 2G
Firmware/APP Version: WW_2.20.40.198_20160930
Frequency of Occurrence: 1.8ghz
Rooted: No
APP Name:
Screenshot: https://us.v-cdn.net/6031231/uploads/ww_attachments/201912/18/200506n07cl7npp0pwzrpc.jpg

How can i upgrade my firmware

[salazartriplej]

Panu po mag upgrade ng ram asus

[Nhel]

how can i upgrade my ram on azus

[reclajessa1]

 Please tell how to upgrade my ram

[kd5451505]

My selfie camera not working please set this camera

[sujitkumarthaku]

My  phone hang and network fail continues