you miss the boat... last few weeks, like lazada cheaper by few hundred...

usually switch or machine or maccity do have credit card 0% installment plan, try go and ask

hmm...how can it be differentiated?

That scenario you mention applies if the battery is of type Lithium Ions (Li-On), smartphone are having the Lithium polymer (Li-Po) cells. Anyway its some habits that would take care of the investment.

Watching video and graphics heavy games do tend to work hard both the processors and graphic chips, and then if it is online game, even worse as all the system is all working hard simultaneously. Having a case and depending on the type of case also make a notable difference. Having IP67 weather proofing is also welcome addition to the ip7/7+.