Oppo a16s back panel replacement.

I own an Oppo A16s smartphone and am interested in understanding how straightforward or challenging it is to replace the back panel on this particular device. Additionally, I would appreciate a step-by-step guide on the necessary tools, precautions, and procedures involved in performing a successful back panel replacement, so I can figure out whether this is a task I can do myself or if it would be better handled by a professional.