Some people wont buy a phone if the manufacturer doesnt have a care center close to them. But so many people like going to meet outside engineer to repair their phone probably because they feel the outside engineers are cheaper and faster. taking your phone to these engineers come with risk without guarantee. Contrary to what people think the care centers are actually cheaper, for example carlcare a place where a Tecno, Infinix or Itel phone can be repaired only charge for hardware so if your phone doesnt have hardware problem, the repair is free. If you use any of these devices, stop taking risks and visit the nearest carlcare center to you when your phone is faulty.