Note: Those bands mentioned above are only supported for SMART & TNT sims, IDK if those bands are supported by other networks. If it does then try it in your own accord.
search mo lang sa YT kung pano mag engineering mode sa model ng device mo, sa POVA 5 kasi ito yung code for engineering mode, ##9646633## (may asterisk yan after sa hashtag) i think same din ata ccode ng POVA 5 at sa mga naka INFINIX
idk kung anong pinindot mo but those I've mentioned above are hindi nakaka destroy sa carrier mo matter fact nakaka-improve lang yun sa data transmission para mapa-bilis yung internet mo