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Qi adds weight for coil and shield, and limits what material can be used for back surface that's also tend to add weight. For example, iPhone 8 added Qi and swi
by fomine3 4y ago
Qi adds weight for coil and shield, and limits what material can be used for back surface that's also tend to add weight. For example, iPhone 8 added Qi and switched back surface material from aluminum to glass. 7 Plus is 188g then 8 Plus is 202g. It's not easy decision to have Qi for lightweight oriented device.
- darkwater 4y ago> iPhone 8 added Qi Are you sure? My wife has an iPhone 8 and it doesn't charge in our car which has wireless charging in the phone tray.
- fomine3 4y agoYeah, perhaps your case don't support Qi, phone coil isn't placed on your Qi tray coil, other metals is on Qi tray so it's stopped for safety, or something goes wrong...