One of the most useful upgrades you can make to an old phone is to add wireless charging. More and more devices, from Bluetooth earbuds to the latest smartwatches, support wireless charging and, while there were once several competing standards, the industry has settled on Qi. Pronounced Chee, it's supported by more than 340 members of the Wireless Power Consortium, including Apple, HP, Samsung, Google and Bose.Once you go wireless, you won't want to go back. It's not only simpler (and quicker) to drop your device on a charger when you head to bed. It also causes less wear and tear to the device itself, because you'll no longer be putting stress on the connector or lead as you plug in and unplug every day. And, once you've bought a charger or two, you can use them with all of your devices, and use a friend's charger when you're visiting, even if your phone and theirs use incompatible plugs and connectors.
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