How to remove error 15 error 20 in zoje 7000E UBT

How to remove error 15 error 20 in zoje UBT

[@balarampyla7787]

Thank u for a good information sir ❤

[@ramojiraju7948]

❤ u sir

[@talibkhantalib8629]

Very nice sir ❤

[@Meraj000Idrisi]

Sar aap ki videos sab theek hai or bhi batao sar hum log ko samaj ta hai

[@ParveenKumar-yk3gt]

Nice ji

[@Meraj000Idrisi]

Thank you sar

[@stephenrobertpillai9864]

👌👍👍👍👍👍

[@asrafulsee8356]

Very nice

[@brijeshkumar4029]

Thanks

[@لعلمحمدمرادی-ن8و]

سلام من علاقه مند استم

[@p4t3l__ji]

Aapka shop kon sa City me h sir

[@brijeshkumar4029]

भाई मेरी कोई शॉप नहीं है मैं जोजो में काम करता हूं और हमारा सर्विस सेंटर दिल्ली गोविंदपुरी में है

[@brijeshkumar4029]

Brother, I do not have any shop, I work in zoje and our service center is in Delhi Govindpuri.

[@mutrader13]

Aurangabad Maharashtra

[@لعلمحمدمرادی-ن8و]

واتساب شماره

[@Meraj000Idrisi]

Sar. Aap ka naam botal na ya to link bhejo na