REFERENCE A21s Samsung hard reset not working final solution.

[petmalu25]

 

[GSMJOEY]

ayaw parin sa akin

 

[mastersoft]

tested lods salamat

 

[chan1994]

Parang sa mga j2 prime po dati

 

[celltech101]

power off mo uni

ayaw parin sa akin

power off mo unit lods .. saksak mo charger pag nag charge na doon mo e pindot sabay power on at volume up ..release power botton pag 10 sec ..
keep holding sa volume up