can i install nougat software over android pie in samsung j7 pro Because I like the old one

Please someone tell me how much Original charger ampere is used for Samsung Galaxy J7 Pro

I have Samsung J7 pro its lasts for only 3 hours in a day How much Time it lasts in a day if someone has Samsung J7 proMa J7 pro ki battery change krna chahta houn Muje original battery kahan milegiIski Original Battery Timings kia ha din ma kitne ...

When will Galaxy A22 4G Update coming after android 12 please reply must if anyone knows

I am facing Chat Feature Registration Failed issue and tried different methods still facing the same issue please help me to get rid of this issue so the Registration may get successful.