Dialer codes are special codes that, when entered in the dialer, start a special action (e.g. showing hidden system information, start an debug app). They consist of digits enclosed with `#` and `*` characters. Follow the 'info' link below for more details.

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Entering Samsung Codes on the Galaxy S4 - Verizon

This is likely an embarrassing question, but I may not be the only one struggling. I am trying to figure out a problem with my phone by using these secret dialer codes. I am entering these codes into ...
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Service code to get Xperia model

I'd like to check the manufacturing date of an Xperia Ray. The easy way is by looking at the sticker under the battery, but I'm trying to convey this to a potential seller, and I would prefer ...
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Why I am unable to check balance on BSNL Mobile in Android Phone?

I have just ported my Tata Docomo number into BSNL Mobile and it is working good. But I am not able to check my balance and recharge top up coupons because USSD code that we run, like *123#, are not ...
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Typing dialer secret codes in devices other than phones

Dialer secret codes are fun and useful and all the rage, but how can I use them in my tablet, or my TV dongle, or any onther non-phone android device?
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How can I enable field test mode on Samsung Galaxy S3?

I have a Samsung Galaxy S3. Are there any codes to enable field test mode, like band selection? Has someone managed to enable such an option?
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Is there any way to determine the UMTS RRC state my device is in

I want to determine the RRC state of my device which is HTC Explorer. By RRC, I mean states like FACH,DCH IDLE etc.. I have already tried the following secret codes: *#*#197328640#*#* *#*#7378423#*#* ...
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How to make Android phone as my wireless dialer, so that i can dial the phone and send / receive SSH, FTP etc?

How can i make the Android mobile phone number +3900000 as incoming dialing number from computer running Linux (ArchLinux, Fedora, CentOS, Ubuntu) using modem. Once the connection is made. How is it ...
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How to get into service menu?

I have a Samsung Galaxy Nexus whose IMEI was corrupted. The IMEI is written on the back of the phone and I want to change it back, but when I dial any of the service menu codes I found the dialer just ...
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Insufficient Storage Memory while installing apps

I have a Samsung Galaxy S3 International Edition operating with CyanogenMod-SnapShot-M11 11-20141008 Build. Lately when I was trying to install some Apps like Google Now Launcher or Updating Facebook ...
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Android Service Menu without dialer

Following this question about how to access the service menu on android, I started wondering how to do such a thing, if there is no dialer app available (android tablet without gsm.) In my case ...
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Usage statistics in Android

Is there any intent or method to get the values which show in the usage statistics? We can get that manually by dialing *#*#4636#*#*.