![]() ![]() Now, on to the "Forever" Upgrade program. You'll need to be on an eligible Magenta Max or T-Mobile One Plus plan along with the trade-in to be eligible for the promo. Check the terms below for all the devices eligible. You can get $800 off if you trade in an iPhone 12, 12 mini, 11, X, XR, XS, XS Max, Samsung Galaaxy S20, S20+, S20 Ultra, S20 FE, S21, S21+, Note10, Note20, Note20 Ultra, Z Flip 5G, Z Fold2, Moto razr 5G, OnePlus 8 5G, or 8T. An iPhone 12 Pro, 12 Pro Max, 11 Pro, or 11 Pro Max gets you the full promotional amount. To start, T-Mobile's trade-in promotion to trade up to an iPhone 13 gets you up to $1000 off a new iPhone. This sounds enticing enough, but there are a few significant caveats. This means that anyone who purchases any new iPhone 13 model with or without a trade-in is guaranteed an $800 trade-in credit every time you turn in that iPhone for a new one. Better autonomy with a smaller battery means better efficiency.On the evening following Apple's iPhone 13 announcement, T-Mobile unveils its Forever Upgrade program. Discharge is how much current the smartphone drains from the battery when in use (the ratio of battery capacity over autonomy). Charge up is the efficiency of a full charge (how much energy is drained from the wall outlet vs the energy capacity of the battery, as well as the efficiency of the charger and its residual consumption). Our Efficiency score comprises two sub-scores, Charge up and Discharge. While the Apple device takes a fairly quick 45 seconds to gain 1% battery power while gaming at low battery, that’s nonetheless a few seconds behind both the Samsung and the Oppo in our testing. Each sub-score comprises the results of a comprehensive range of tests for measuring autonomy in all kinds of real-life scenarios.Īlthough it comes in last among the three devices compared in this review (but only very slightly behind the Samsung), the iPhone 12 Pro Max provides nearly 3.5 hours of autonomy when plugged in at less than 50% power remaining. The DXOMARK Battery autonomy score is composed of three performance sub-scores: (1) Stationary, (2) On the go, and (3) Calibrated use cases. How long a battery charge lasts depends not only on battery capacity, but also other aspects of the phone’s hardware and software. We compared the Apple iPhone 12 Pro Max’s performance in several key categories with two other ultra-premium devices, the Samsung Galaxy S21 Ultra 5G (Snapdragon) and the Oppo Find X3 Pro battery capacity, charger, display type and resolution, and processor specifications for all three devices are shown in the table below. While it has an average score for Charging, and an above-average score for Autonomy, it is the current score leader for Efficiency thus far (but as ever, numbers alone don’t quite tell the whole story). With an overall Battery score of 78, the Apple iPhone 12 Pro Max puts in a respectable performance that lands it in the top four in our database so far. Very slow charging after 80% to reach full battery capacity.(See our introductory and how we test articles for more details about our smartphone Battery protocol.) Test summary ![]() This article highlights the most important results of our testing. Tested ROM / RAM combination: 128 GB + 6 GBĪbout DXOMARK Battery tests: For scoring and analysis in our smartphone battery reviews, DXOMARK engineers perform a variety of objective tests over a week-long period both indoors and outdoors.We recently tested the Apple iPhone 12 Pro Max’s battery performance and will relate our most important findings in this review. Unlike most other phones in our database thus far, however, it does not come with a charger. Landing in our Ultra-Premium segment (above $800), the iPhone brings with it a large 6.7-inch OLED display that supports HDR10 content, and a triple-camera setup (along with a lidar sensor). Apple brought out its iPhone 12 Pro Max in October 2020. ![]()
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