Turn On Night Shift Mode in iOS 11 on Your iPhoneĬreate & Access Location Bookmarks on Your Galaxy Note 3 with a Single TapĮnter DFU Mode on an iPhone X S, iPhone X S Max, or iPhone X R in iTunesĬhange Netflix's Pesky Horizontal Scrolling into a Movie Grid View for Easier Browsing Hide Status Bar Icons on Your iPhone for a Cleaner Look in Apps & Wallpapersĥ Annoying Things About iOS 5 (Plus How to Fix Them) How Strong Is Your iPhone's Signal? Find the Exact Strength in Numbers with This TrickĮinstein Referred to Quantum Entanglement as "Spooky Action at a Distance"Ĭheck if Your Wireless Network Adapter Supports Monitor Mode & Packet Injection There's a Hidden Scientific Calculator on Your iPhoneĪpple iOS 13 Code Indicates Possible Testing of AR Headset, Report SaysĢ0+ Features in iOS 13's Safari You Don't Want to Miss The Ultimate Guide to Customizing Your iPhone's Home Screen Without Jailbreaking Re-Enable Zoom for Websites That Block It in Safari for Your iPhone Unlock a Hidden Network Strength Meter for Your iPhone's Status Bar The code should take you to the Dashboard in the hidden FTMInternal app. To open Field Test mode on your iPhone, type the *3001#12345#* dialer code into the Phone app's keypad, then hit the green call button. Don't Miss: How to See Your iPhone's Actual Signal Strength for Cellular Reception. Now, Apple has fixed the issue in iOS 15. You could left-swipe on any data point on the Dashboard to delete it, but iOS 14 left out the ability to add your own favorites to the list. It introduced the Dashboard, a home page with the most valuable data users would need, and moved the Main Menu to an All Metrics tab. Some iPhone models saw a much-needed revamped UI for Field Test mode in iOS 14, and that interface confirms with Apple's newer iOS design language. While most of the information displayed in Field Test mode looks like technical gobbledygook, there are a few data points regular iPhone users can find helpful. Apple updated Field Test's interface in iOS 15, and one improvement gives you more control of the Dashboard.įield Test mode has been a hidden feature on the iPhone since the beginning, mainly used by RF engineers, network technicians, and field operators to measure network performance and diagnose any issues that may be happening. If you've ever used your iPhone's hidden Field Test mode to view your signal strength in decibel-milliwatts, locate the tower you're connected to, or find out the radio frequency in use, you no longer have to dig through all of the confusing-looking data every time you need to check.
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