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How many times have you seen posts on tech sites about “hidden iPhone features” and thought to yourself,these tricks aren’t really hidden at all.
We’ve even had a few articles here on BGR with tips that were indeed
unknown to most users, but the savvy iOS device owners out there were
undoubtedly familiar with at least a few of them.
Well,
in this piece we’re going to tell you about 25 hidden features that are
really, truly hidden. As in, you could look through your iPhone from
now until the end of time and you wouldn’t find any of these tricks
unless you know what you’re looking for.
In
the past, many of the hidden tips we’ve seen on sites and even covered
here are simply things that are buried in the Settings app in places
people normally wouldn’t look. These are great things to know — plenty
of people would make their camera flash blink with incoming messages if
they knew that they could, for example — but they’re not really “hidden”
or “secret,” per se.
Each
of the tips that follow below, however, are completely hidden. There is
no indication that these functions exist in iOS, and we guarantee that
most users don’t know about them. In fact, we also guarantee that even
the savviest iPhone owners among you will find at least one or two
things you didn’t already know. In fact, ran this list past a friend who
works at Apple and there were a few things that even he didn’t know.
Enjoy.
Redial: In the Phone app, press the green call button on the keypad screen to make the last dialed number appear.
Clear cache:
Make your iPhone run faster by clearing out the cache in several of
Apple’s apps using a secret trick. In the App Store, Podcasts, Music,
Game Center, iMessage and Phone apps, tap on any single tab icon at the
bottom of the screen 10 times in a row.
Make TouchID work faster:
Save the same fingerprint multiple times as different entries and
TouchID will work much faster. This is especially useful on older phones
like the iPhone 6 and iPhone 5s.
Spotlight conversions: Remember when we told you how easy conversions are inour post on Google search tricks?
It’s even easier for iPhone users — just open Spotlight and type
something like “20 euros in GBP,” and it will instantly perform the
conversion.
Spotlight math: Want to do a quick math problem? No need to open the Calculator app, just pull down to open Spotlight and type it right there.
Delete numbers in the Calculator:
Speaking of the Calculator, you can delete single digits when you tap
the wrong number by swiping left or right on the screen where the
numbers appear.
Clear RAM to make your phone run faster:
Hold down the power button until you see “Slide to power off,” then let
go and hold down the home button until the screen goes blank and your
home screen reappears.
Burst mode: Hold down the camera’s shutter button to shoot in burst mode.
Remote shutter: Use the volume up or down button on your headphones to snap a photo in the Camera app.
Turn the flashlight off:
How many times have you turned your flashlight on and wished that you
didn’t have to swipe open the Control Panel again to shut it off? We’ll
save you a step: simply swipe up on the camera icon on your lock screen
and the flashlight will turn off.
3D Touch while drawing: All of the drawing tools and the eraser are pressure sensitive in the Notes app.
Close multiple apps at once:
Double-tap the home button to open the app switcher and you can use
two, even three fingers to slide multiple apps closed with one swipe.
Recently closed tabs:
Want to reread this article on your phone but you forgot what site you
were reading it on in the first place? Simply tap and hold on the +
symbol in Safari on the tab carousel view to open a screen that lists
all of your recently closed tabs.
Desktop version of a site:
We all know you can request the desktop version of a mobile site in
Safari but it’s easier to do than you think. Just hold down the reload
button in the URL bar.
Peek at tabs: Not sure you want to open that tab in the Safari tab carousel? A 3D Touch will let you Peek at it first.
Peek at bookmarks: Did you know you can use 3D Touch to Peek at bookmarks before you open them?
Edit reminders: 3D Touch an item in your Reminders app to edit the time or add a location.
View only unread emails: So you don’tpractice “inbox zero” like I dobut
you only want to see unread emails in your inbox. Tap the Mailboxes
link in the top right corner of the Mail app and then tap Edit. Tap the
circle next to “Unread” and you’ll have a new folder that contains only
your unread emails.
Save a draft with one swipe: In the Mail app, tap on the subject line andswipe down to the bottom of the screento save a draft.
Quick Reply:
When you get a notification at the top of the screen that you have a
new iMessage or SMS, pull the notification downward to reply without
leaving the screen you’re on.
Hidden level(s):
Slide to the left in the Compass app open the level. Then place your
phone flat with the screen facing away from the ground to reveal a
bubble level.
Artist Peek: 3D Touch an artist in the Music app to Peek at their music.
Reenable Low Power Mode:
When Low Power Mode automatically shuts off as you charge, you’ll get a
notification on your lock screen that it has been disabled. Swipe left
on that notification to turn it back on.
Find an iPhone’s owner:
Did you find a lost iPhone in a bar? Simply ask Siri, “whose phone is
this?” and it will show you so you can get in touch with him or her and
return it.
Reachability:
This is one of the new iPhones’ best features and there are still SO
many people who don’t know about it. Double-touch (don’t tap, touch) on
the home button and the entire screen will shift down so you can reach
the top without shifting your grip.
Power supplies are a frequently misunderstood—and overlooked—PC component. Many users choose a power supply based on total wattage alone, assuming thathigheris always synonymous withbetter. Others pay no attention to their PSU selection at all, and settle for whatever abomination arrived with their machine. But considering how important a good power supply is to a system's stability and long-term reliability, it's a shame that PSUs get so little attention in comparison to sexier components like graphics cards and SSDs.
It doesn't help that the power-supply market is awash with products from unscrupulous manufacturers that use substandard components and overstate the hardware's capabilities. Indeed, the abundance of PSU-related misinformation and deception in the marketplace would be comical if it weren't so harmful to consumers. But finding a solid, efficient power supply is possible if you arm yourself with the right knowledge. We can help.
Choosing a power supply
Devote as much thought to your power supply as you do your PC's processor.
There is no single, universal rule for selecting a high-quality power supply. Nevertheless, various indicators provide circumstantial evidence of PSU quality, and some guidelines are generally helpful.
First, always buy a power supply from a reputable manufacturer, and look for reviews of it before you buy. Avoid cheap, generic power supplies, which tend to be substandard. Look for reputable brands that offer solid warranties and support. Corsair, Seasonic, and Antec are three manufacturers with reputations for producing high-quality power supplies, though even they may offer a few duds among all the studs. Do your homework!
Larger, heavier units are preferable to puny, lightweight models. Higher-quality power supplies almost always use bigger and better capacitors, chokes, and other internal components, and they come outfitted with larger heatsinks for superior heat dissipation—all of which translates into more weight. Larger cooling fans, which typically move more air while making less noise than smaller fans, are another plus.
SilverstoneA 6+2 pin connector.
Of course, you should also check the PSU's connectors to confirm the unit is compatible with your particular system. The term20+4 pinrefers to a connector that can function as either a 20-pin connector or a 24-pin connector. In the 6+2 pin connector shown at right, you can snap two of the pins in the connector on or off to suit your needs.
The vast majority of consumer PCs use standard ATX power supplies. Smaller units and units specially designed for enterprise and server applications are also available; but for common desktop systems, ATX power supplies are it.
When searching for a power supply, keep your eyes on three crucial features: power output, rails, and efficiency. Other specifications and features are important, too, but these three directly affect the PSU's performance.
All about output
Manufacturers usually list their power supplies' output in watts. A higher-watt PSU can supply more power. Desktop power supplies have a power output rating of from 200 watts to 1800 watts (for ultra-high-end, enthusiast-class products). Wattage ratings higher than that would exceed the capabilities of a typical 15-ampere electrical outlet. The important number here is the one for sustained or continuous power, not the one for peak power. Most power supplies can operate at peak power for only brief periods .
Ideally your unit will delivers plenty of power to your components and offers some extra headroom in case you want to attach additional components later. Most power supplies hit their peak efficiency levels with loads in the range of 40 to 80 percent. Building to about 50 to 60 percent of a PSU's capacity is advisable to achieve maximum efficiency and yet leave room for future expansion.
A glimpse inside a PSU.
For example, if the maximum power or combined TDP (total design power) of your system's present components is 300 watts, a 600-watt PSU would be a good fit. In a high-end system loaded with components that may peak collectively at 700 watts, a 1200-watt PSU would work well. You can get by with lower-capacity units if you don't think you'll ever need to expand your system, but if you can afford it, choosing a higher-capacity PSU is a better bet.
Outervision and Thermaltake's handy-dandyPSU wattage calculatorinvites you to input your build components in exacting detail—right down to CPU overclocking voltages and specific water-cooling components—and then spits out a ballpark power-supply wattage for your system.
On the subject of wattage, one common power-supply myth holds that higher-wattage power supplies necessarily consume more power. Untrue. All else being equal, a 500-watt power supply won't consume any less power than a 1000-watt unit . That's because a system's components—not its PSU—dictate its power consumption. If you have 300 watts' worth of components in a system, the system will consume 300 watts under load, regardless of whether the system is outfitted with a 500-watt power supply or a 1000-watt one. Again, a PSU's wattage rating indicates the maximum amount of power the unit can provide to your system's components, not how much power it consumes from the outlet.
An efficient PSU is a better PSU
A power supply's efficiency rating is important because higher-efficiency units tend to have better components, waste less power, and generate less heat—all of which contribute to less fan noise. A power supply with an efficiency rating of 80 percent provides 80 percent of its rated wattage as power to your system, while losing the other 20 percent as heat.
Five of 80 Plus's certification levels.
Look for units with “80 Plus” certification. Though the certification process isn't especially stringent, 80 Plus-certified units are confirmed to be at least 80 percent efficient; and 80 Plus has tiers for even more-efficient units, including 80 Plus Bronze, Silver, Gold, Platinum, andTitaniumcertifications. Power supplies in the higher certification tiers tend to command very high prices, however. Average users with average needs should probably stick to the simple 80 Plus or the 80 Plus Bronze level unless they find a particularly juicy deal on a Silver or Gold PSU.
Corsair provides a thoroughoverview of power supply efficiencyand of the 80 Plus program, if you'd like to learn more.
The great rail debate
In addition to identifying output power, manufacturers will specify the number of +12V rails their PSUs contain. A “single-rail” power supply has a single, high-power +12V rail for feeding power to hungry system components. A “multi- rail” unit divides its output between two or more +12V rails.
In a single-rail design, all of the power from the supply will be available to any component connected to the unit, regardless of the connector or cable used. In the event of a failure, however, a single-rail power supply has the potential to shoot much more current into your components.
Meanwhile, the main disadvantage of a multi-rail PSU is that it can't share power among the different rails. For example, if you connect 25 amps' worth of components to a +12V rail with a 20-amp maximum rating, the mismatch will trigger an overcurrent protection (OCP) mechanism and shut down, even though other rails my be available with plenty of power to spare. Consequently, with a multi-rail PSU you must pay attention to which components you've plugged in to which rail, a mild nuisance that you don't have to worry about with a single-rail power supply.
On the other hand, that disadvantage becomes a major advantage if you ever encounter a catastrophic failure. The OCP mechanisms in a multi-rail power supply monitor each rail and will shut the whole unit down if they detect an overload on any of the rails. The OCP on single-rail units kicks in only at much higher amperages, which couldlead to a major melt-downif a serious overload occurs.
So which is better type of power supply is better—single-rail or multi-rail? Neither, usually. From a performance standpoint, both work equally well; and in general both are very safe to use. If you're building an especially powerful system, though, multi-rail OCP provides an extra layer of safety in case something short-circuits, lessening the odds of frying your costly components during a computing catastrophe.
Cabling: Piecemeal or whole hog?
CorsairCorsair's HX850 is a partially modular power supply...
Another consideration is cabling. Power supplies are available with hard-wired cabling, with partially modular cabling, or with fully modular cabling. In modular power supplies, you can add or remove cabling from the PSU as needed to avoid case clutter.
Technically, a power supply with hard-wired cabling is optimal because it requires no additional connections between the unit's internal PCB and the connector that will ultimately be plugged into one of your components. One end of the cable is soldered into the PSU's PCB and the other end terminates in a standard connector, with no breaks in the line. Whenever you introduce an additional connection between the PSU and your components—as happens with modular power supplies—you add more resistance and another potential point of failure into the line; and any increase in resistance translates into lost efficiency.
Corsair...whereas the AX860i is fully modular.
That said, the additional resistance is normally minimal and not a cause for concern for most users. Meanwhile, modular cabling greatly simplifies keeping the interior of your case nice and clean—just don't connect any superfluous cables to keep the clutter down. Most people prefer modular PSUs, though they cost a bit more than nonmodular models.
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