Clean your flux after soldering

[@Dexter101x]

In this instance, you don't need solder flux, its only for pads that are too close by to each other. Plus, you can use isopropyl alcohol to clean them

[@angryman9333]

What was that paper sheet

[@vagrepaircenter]

Kimwipes

[@vagrepaircenter]

www.ebay.com/itm/384324749924

[@SOLDbyYOU]

Time waster