What is * 3001 12345 #* used for?

Dial *3001#12345#* and press the Call button. This will launch the Field Test Mode app and where the bars/dots were in the top left corner of the screen, you'll now see a negative number. The negative number is the decibel signal strength reading and should be followed by the carrier name and then the network type.

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What does * 3001 12345 #* do on cell phone?

*3001#12345#* followed by the Call button. This should take you to the field test display and give you several options such as your SIM info, serving cell measurements, and your connected mode. Once in this mode, follow the steps below to find the most relevant information to your signal strength.

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What is * 3001 12345 #* in iPhone?

Accessing Field Test Mode on an iPhone can be quite straightforward: simply go to your phone's dialer, type in *3001#12345#* and hit the dial button. Unfortunately, though, you often can't get reliable signal strength (RSRP) or signal quality (SINR) readings on iPhones.

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How to use 3001 12345?

Open phone app and dial *3001#12345#* Tap Nr Reach Attempt under 5G to measure 5G signals. Tap Reach Attempt under LTE to measure 4G signal (RSRQ/SINR not available) RSRP value represents signal strength.

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What is the secret field test trick?

To enter Field Test mode, open the Phone app and dial *3001#12345#* on the keypad. Yes, really. We weren't kidding about this being a truly hidden trick! Hit the call button, and Field Test will start up.

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*3001#12345#* trick

33 related questions found

What is * 3370 on iPhone?

By pressing *3370# or #3370#, you'll activate your phone's “reserve battery power”. Battery life will increase by 50%. The reserve will automatically charge up the next time you change your device.

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What are the secret iPhone codes?

Here are some secret codes you can try on your iPhone.
  • Check Cellular Data Usage (*3282# AT&T, #3282 Verizon, #932# T-Mobile) ...
  • Hide Caller ID (*67) ...
  • Check Cellular Balance (*225# Postpaid, *777# Prepaid) ...
  • Enable or Disable Call Waiting Status (*43# Enable, #43# Disable) ...
  • Check Your iPhone's IMEI number (*#06#)

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What is the code for boosting network signal?

Android code: *#*#7262626#*#*

Knowing this is helpful in deciding whether or not to install a signal boosting system.

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What is the code for iPhone test?

Here's how to run an iPhone diagnostic test

With certain Android devices, you can dial in codes in the phone's app dialer — such as *#0*# and *#*#4636#*#* — to access a hidden diagnostic menu or usage information menu. You can also dial *#*#0*#*#* to test the LCD screen or *#*#2664#*#* for a touch-screen test.

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What is * 31 used for?

Hide Your Phone From Caller ID: #31#

I could only get this to work on Android. But entering this code prompted a pop-up stating that my Caller ID had been disabled. In order to re-instate Caller ID, enter *31# .

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What is the iPhone trick *# 21?

What does dialing *#21# actually do? When you dial *#21#, you are, in fact, activating a feature access code that quickly tells you the status of call forwarding for your phone. It's a quick way of seeing what, in the case of this particular 'setting interrogation code,' your call forwarding settings.

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What is *# 0 *# equivalent for iPhone?

*#0*# - This will take you straight to the General Test Mode once dialed from the Phone app. It lets you test a bunch of things on your iPhone, such as vibration, touch, speaker etc. *5005*7672# - Dial this one up and you'll be presented with your SMS message center number.

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What is the hidden menu on my phone?

Instead of tapping on the back of your phone or swiping a finger, this menu can be pulled up using the dialing pad. Here's how: Open the dialing pad as if you were making a phone call. Type *#0*#.

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What is *# 0 #*?

The code #0# is a service mode code for Samsung Android phones. This code allows you to access various hardware tests and diagnostic tools on your device. By entering this code in the dial pad, you can test the functions of your phone's display, touch screen, camera, speaker, and other components.

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What are the * codes for cell phones?

Best Codes for Managing Calls and Messages
  • *#67# – Display call forwarding information on your phone.
  • *#61# – See how long it takes to forward calls.
  • *31# – Turn on caller ID.
  • #31# – Turn off caller ID.
  • *43# – Turn on call waiting.
  • #43# – Turn off call waiting.
  • *5005*7672# – See your SMS message center number.

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How can I boost my cell phone signal for free?

How to Boost Cell Signal for Free
  1. Toggle Airplane Mode / Restart Your Phone. ...
  2. Use WiFi Calling. ...
  3. Go Outside. ...
  4. Remove Obstructions. ...
  5. Change Your Location. ...
  6. Ensure Phone Software and Carrier Settings are Up to Date. ...
  7. Keep Your Phone Charged. ...
  8. Check for Damage to Your Phone.

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How do I activate my signal booster?

To complete the cell phone signal booster installation process, connect the power cord to the amplifier and a wall outlet. It will take a few seconds for the booster to configure itself. Once it's done, the green lights on the booster mark the end of poor reception and dropped calls.

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What does * * 7780 * * do?

2. *#*#7780#*#* (Run a Factory Reset) If you don't want to run a hard reset, this is the next best thing. Similar to a factory reset, this code will simply delete all application data from your device, as well as any applications.

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What does * 004 * do?

Call “##004#”

No one will answer when you call it, but it will turn off conditional forwarding on your phone. It will reset your phone to its default phone settings.

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What is the code to see if your phone is being tracked?

Code to check if phone is tapped: *#21# Code to show unknown connections and tracking (for Android): *#*#4636#*#* or *#*#197328640#*#* Code to show unknown connections and if someone is tracing you (for iPhone): *3001#12345#*

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What is the code * 3001 on iPhone?

*3001#12345#

This secret code allows your phone to enter a so-called 'Field Test Mode' and gives you precise data on how strong your signal strength really is. While signal bars have always given us assurance that our phone signal's just fine, the truth is, information displayed on these bars are often inaccurate.

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What happens if you dial *# 33?

Call barring lets you block incoming or outgoing calls to and from your phone. This may be useful if you keep receiving unwanted telemarketer calls or want to avoid expensive international calls. To check if the feature is enabled on your device, dial *#33#. Use the code *33*pin# to enable call barring on your iPhone.

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