Very slow charging iqoo 12 at certain percentage 

Enabled fast charging 

Original cable 

Mobile is new 

No background apps 

Too much of bugs 

Slow charging in some per 

I provided screenshots of various 

It was charging at same level for 4 mins 

But it was charged for 20 mins at same level .........

Slow charging bug 

Actually there is a bug that mobile misunderstanding it's hot so charging become slower