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- A: Common error codes include "iTunes Error 4013" and "iPhone Error 9." Solutions may involve updating software, checking hardware connections, or restoring your device.
www.technobezz.com/iphone-error-codes/
Mar 18, 2021 · To cancel and deregister forwards when out of reach, dial the ##21# code. This code works for GSM networks. For Verizon Wireless, see Number 6 below for all forwarding. There's also code **21* on Verizon One Talk and *21* on AT&T Collaborate lines.
- Justin Meyers
May 6, 2017 · Your iPhone has secret codes you can plug into the dialer to access hidden options. These codes "interrogate" the phone to find and change various settings. For example, you can view a more precise display of your cellular signal strength and set up call barring to block outgoing phone calls.
- Former Editor-In-Chief
- Check the IMEI Number. Similar to a serial number, the IMEI number is used to identify your phone type, carrier, network, country and other details. A mobile carrier will sometimes ask for the IMEI number to assist with troubleshooting or account changes.
- Check your data usage. These codes differ by carrier. For AT&T, tap *3282#. For Verizon Wireless, tap #3282. And for T-Mobile, tap #932#. After tapping the code, press the call icon to place a call to your carrier.
- Enter field test mode. Field test mode displays a lot of technical data about cellular activity, most of which is likely useless to you but may be of help to an engineer or support person trying to assist with a technical problem.
- Make a test call. To make sure your phone’s calling feature is working, you can place a test call, though this seems only to be available with Verizon. To try this out, dial #832.
The main issue is that texts sent via short codes (usually 2FA verification texts) are not coming through (e.g. Amazon, Venmo, Starbucks, banking apps etc.) and as a result I can’t access these services that sent verification via short code SMS.
- Place anonymous calls on your iPhone. The cellphone, with its caller ID, made placing anonymous calls a thing of the past. That is, unless you know how to hide your caller ID.
- Show your caller ID. If you do opt to turn off Show My Caller ID, you might need to know this code. Some numbers don’t allow calls from unknown callers, so you’ll need to reveal your identity in order to get through.
- Block outgoing calls. Handing your iPhone over to someone to use can be an excruciating exercise in trust. If one of your worries is about who that person could call with your iPhone, know there’s a quick dialer code to block all outgoing calls.
- Check your iPhone’s cell signal strength. Have you ever experienced poor cell service, only for your iPhone to claim you have full bars? Us, too. That’s where the field test can come in handy; this hidden menu contains plenty of data about your cellular system, but the one area we’re looking for is how strong your connection is.
Find more info about Pound codes and Star codes: Numbers you can call from your mobile phone to help manage your Verizon wireless account and access features.
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Apr 26, 2024 · 1. Launch the Phone app on your iPhone. 2. Dial *3001#12345#*. This will launch the hidden Field Test Mode. 3. Field Test Mode has two main tabs, All metrics, and Dashboard. 4. In All metrics,...
