Testing The iPhone 12 Charging Speeds With 15W-22W Chargers

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iPhone 12 Charging Speeds with older USB-A Lightning cable only supports charging up to 12 watts, and the older iPhone power adapters are a mere 5 watts. The new phones do deliver with a Lightning-to-USB-C cable, which works with USB-C adapters at up to 20 watts. If you have a recent iPad or MacBook, you’ll have a USB-C power adapter; otherwise, you probably wish to go for the Anker Nano adapter.

MagSafe is certainly enjoyable to utilize, but it’s unpredictable in practice. Apple’s brand-new MagSafe battery charger ($ 39) is a magnetic disc that pops onto the back of the phone. In theory, MagSafe is expected to charge at approximately 15W. However it turns out that MagSafe’s charging speed depends on what adapter you plug it into, even if all your adapters are 15W or higher.

However plugged into a 22W Samsung charger, it just gave me 9% in 10 minutes and took 80 minutes to get to 50%. I saw somewhat various battery results on the 2 iPhone 12 units, however, they were both in line with other flagship smart devices. The iPhone 12 managed 10 hours and 8 minutes of video streaming on Wi-Fi.

Testing The iPhone 12 Charging Speed

Testing The iPhone 12 Charging Speeds

All 4 members of the iPhone 12 household use Qualcomm X55 modems. It’s the first all-Qualcomm iPhone lineup since the 6S, and after years of uneven performance, I am more than happy to state iPhones are back on par with leading Android phones in regards to network performance. The iPhone 12 series has a single physical SIM slot and software support for a 2nd line by means of eSIM.

Internet 5G Connectivity Review

If you have an iPhone 11 or earlier, you’ll see a significant improvement in data speeds in poor signal areas thanks to 4×4 MIMO. This function remained in the iPhone 11 Pro and iPhone XS, but not the iPhone 11, XR, or earlier iPhones. I compared iPhone 11 and 12 devices side by side in weak-signal areas in LTE-only mode on T-Mobile and saw a substantial difference.

That isn’t fast, however it certainly beats the 11’s failure to carry out. Here we have T-Mobile mid-band 5G on the iPhone 12; T-Mobile 4G with 4×4 MIMO on the iPhone 12 Pro; and the poor iPhone 11, which has neither, at right. In an area with a stronger signal, but where the 4G network was congested, the iPhone 11 saw 1 to 3Mbps down, however, the iPhone 12 on LTE managed 44 to 48Mbps down.


In my weak-signal Wi-Fi test, versus a 500Mbps fiber connection, the iPhone 11 and 12 both maxed out at 72Mbps, but the 11 kept dropping the signal while the 12 was able to keep it. That makes a difference. The iPhone series is also the very first iPhones to support Wi-Fi 6, consisting of providing a Wi-Fi 6 connection when the phone is in hotspot mode.

Apple’s difficult “ultra wideband” innovation (not to be puzzled with Verizon’s ultra-wideband 5G, which is completely another thing) is on board in these phones. Apple’s UWB is a cordless system with no apparent genuine usage. It’s supposed to let two gadgets determine their position in relation to each other, and Apple states it has something to do with file sharing to nearby devices, as well as some smart house things, but we found it practically meaningless given that its launch last year.

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