Android’s adaptive features don’t always help — turn th…

Your phone’s ‘help’ is actually just a performance throttler.

Rob LeFebvre is an editor and writer focusing on consumer and enterprise technologies for a broad range of outlets. He’s been writing online for more than 15 years; before that he was a special educator for kids with severe disabilities. Rob has been an Editorial Director at Lifewire, a news writer at Engadget, and a senior contributor at Cult of Mac. He's written about PCs, Macs, mobile phones, and games, created newsrooms from the ground up, and has extensive experience reviewing hardware, software, and games across his career.  Have you ever tried to show a friend a photo in daylight and the screen dims to a dull gray?

How about waiting for a critical notification that never arrives because Android decided the app wasn't a priority? While Google (and Apple, let's be fair) markets its AI and automatic functions as irresistibly useful, they sometimes can make things worse. Modern Android is a veritable symphony of background adjustments. There are features like Adaptive Brightness, Adaptive Battery, and RAM expansion, all designed to prolong the life of your hardware and eke out as much battery life as possible per charge.

Still, for power users (or even folks who just value consistency), there are a lot of smart features that feel dumb, like throttled CPUs, delayed notifications, and a display that just doesn't work as expected. To take back control of your phone, sometimes you have to stop letting Android think for you. The ambient light sensor and machine learning try to learn your habits, but often fail in mixed lighting.

Think a dark room with a bright TV, or when you're on the bus and the lighting keeps changing around you. On-device machine learning models, like those in Device Health Services, use a method called supervised learning that's based on your manual overrides. In other words, while Adaptive Brightness is on, and you adjust the slider manually, it trains the model on your behavior. When you train the data in ways that contradict the Adaptive Brightness system, your phone can end up conflicting between the data it's collected from your training and the original model.

It hunts for common ground, which is why you might see a brief brightening, then a dimming, then another brightening (if the TV gets brighter, or you pass a sunny spot on the bus, for example). Turning off Adaptive Brightness happens in Settings -> Display. Just toggle Adaptive Brightness to off. Some versions of Android will have a little toggle right next to the brightness slider in Quick Settings (you'll want to fully expand it to see).

Disabling Adaptive Brightness makes your experience on your phone that much more consistent. You set the brightness to 50%, and it stays at 50%. No more hunting or weird dimming behaviors. Even though Google can recommend this feature as battery saving, the constant scanning and hunting can eliminate the power drain from the rapid shifting of the screen's brightness. It can be frustrating when your notifications get delayed due to Android's assertive Adaptive Battery system.

There are two things going on here. First, there's the technical mechanism. Android groups apps into five different "buckets" to decide how aggressively it will limit their background activity (which includes network usage, job scheduling, and alarms). There's Active, Working Set, Frequent, Rare, and Restricted, and they each assign apps to these buckets, which stand for apps in use, apps you often use, apps that get regular use, seldom-used apps, and then rarely opened apps (or those that consume too many resources), respectively.

The problem happens when this Adaptive Battery system puts a time-sensitive app into one of the lower buckets, therefore delaying the notification or even waiting until you open the app itself. On my Pixel, I navigate to Settings -> Battery -> Battery Saver and toggle off Adaptive Battery. On a Samsung, you can go to Settings -> Battery -> Background usage limits and toggle off Put unused apps to sleep.

That's the global battery setting, but there are other options, too. You can also set various time-sensitive apps to "Unrestricted" so they never get put into a less-than-optimal bucket. You can do this in Settings -> Apps -> See all apps and tap on the app you want to prioritize. Tap on App battery usage and then change the setting from Optimized to Unrestricted. You can do the same thing on your Home screen with a long press on the app icon you want to prioritize, tap the App Info icon (usually an i in a circle), then tap App battery usage and change the setting to Unrestricted.

Turns out that this feature is common on Pixels, and it makes your phone switch down to 4G from 5G signals to save battery. What happens in practice, however, is that this can lead to what feels like a dead zone as it switches from faster to slower network speeds. Spotify buffers, your video call pixelates, or Maps just stops working. It's no good, and while Google sets this up to save your battery, it may be worth the minor hit to make sure your network is solid.

Adaptive Connectivity will also switch your phone from Wi-Fi to a cell network when it determines Wi-Fi to be unstable or less than reliable. This isn't a good thing while you're on a Zoom call in a room with a weaker Wi-Fi signal, right? Here's how to turn it off. Simply head to Settings -> Network & internet -> Adaptive connectivity and toggle it Off. Many Android phone makers (OnePlus/RAM Expansion, Samsung/RAM Plus) allow you to use your system storage as more RAM.

The thing is, storage (UFS) is much slower than actual RAM. Using it like a swap file can actually cause micro-stuttering and lag in the UI, as well as increased battery drain due to the extra CPU work. If you're running a Samsung phone, head to Settings -> Battery and device care -> Memory -> RAM Plus and select the lowest option (usually 2GB) or toggle it off if your phone model allows it. For other phones, search your settings for RAM expansion or Virtual RAM to find the toggle and set it to off.

Finally, Android uses its mic to listen to ambient noise around your phone and adjust the speaker EQ. This can make podcasts sound tinny in loud rooms or cause the audio level to shift constantly in a weird, unnatural way. Called Adaptive Sound, the best way to manage this one is to just turn it off. Drop into your Sound & vibration settings and scroll down to Adaptive sound. Tap that, then toggle it off.

The bottom line here is that you're likely better off turning as many "adaptive" features off as you can, as the concept is usually marketing shorthand for "throttled." Or, at least, it can make your time on your phone annoyingly unpredictable. You won't break anything by turning them off, either, and you can always turn the stuff you like back on if you want to use it.

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