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Customizations for Settings

Last Updated: 12/12/2016

The Settings app contains a predefined collection of user-configurable system settings that's organized into pages by functionality. As specified in policy, the appearance and default values of these settings are generally not customizable. The following table contain the complete list of user-facing settings that OEMs and mobile operators can change.

In this section


Start + theme settings: Enabling dark mode

OEMs can choose to specify whether the dark mode is applied.

Start + theme settings: Warning about light theme for AMOLED and OLED screens

OEMs can choose to display a warning about battery life if the user selects the light theme on phones with AMOLED or OLED displays.

Ringtones + sounds settings: Additional alarms

Partners can add one additional alarm sound to the phone for use in the Alarm & Clocks app. Partners can also set a new default alarm.

Ringtones + sounds settings: Additional notification sounds

Partners can add up to three new notification sounds and a reminder sound. In addition, you can also specify a default notification sound for messaging, voicemails, and reminders.

Ringtones + sounds settings: Additional ringtones

OEMs and mobile operators can each preload a set of custom ringtone files on Windows mobile devices, and they can set a default ringtone.

Ringtones + sounds settings: Call drop and call waiting sounds

OEMs can customize the call drop and call waiting sounds.

Ringtones + sounds settings: Camera shutter sound

The camera shutter sound that occurs when the user takes a picture or starts filming a video can be turned off by removing the Camera shutter option from the Sounds settings screen.

Ringtones + sounds settings: Ringtone store application

Partner apps can be used to sell ringtones to users. The app owner must provide the service for the ringtone catalog and to manage downloads. Users are shown an option to Get more ringtones in the ringtone picker, from which they can automatically launch the ringtone store application.

Lock screen settings: Additional lock screen backgrounds

OEMs can add new lock screen background images for the lock screen and also set the default lock screen background.

Lock screen settings: Lock screen notifications

OEMs can preload apps that support lock screen notifications.

Lock screen settings: Screen timeout for AMOLED and OLED displays

OEMs can remove the 15 minutes, 30 minutes, and Never options from the Screen times out after dropdown in the Lock screen settings screen.

This is recommended for phones with AMOLED and OLED screens to prevent screen damage.

Notifications + actions settings: Configure Quick actions

OEMs can change the default set of actions for each slot on the Quick actions screen in Notifications & actions.

Wi-Fi settings: Change Wi-Fi to WLAN

To meet regulatory requirements and/or meet mobile operator requirements for some markets, partners can replace the string Wi-Fi with the generic term WLAN.

Wi-Fi settings: Enable static IP

To facilitate Wi-Fi certification tests, OEMs can enable a screen from the Wi-Fi settings screen that provides UI elements that allow you to specify a static IP address, gateway address, and DNS server address.

Wi-Fi settings: Limited connectivity status

Partners may override the default status message shown when a device is connected to a Wi-Fi access point.

Wi-Fi settings: Wi-Fi always on, always connected

Partners can modify AOAC behavior and UX for non-AOAC mode devices.

Wi-Fi settings: Wi-Fi icon and notifications

Partners can configure settings related to the Wi-Fi icon.

Wi-Fi settings: Wi-Fi Sense

Partners can change the default settings for Wi-Fi Sense.

Cellular + SIM settings: Add a suffix to the mobile operator name

To meet branding requirements for some mobile operators, OEMs can add a suffix to the network name that is displayed on the phone.

Cellular + SIM settings: Additional Internet APN settings

OEMs can hide both the add internet apn button and the IP type listbox in the internet APN settings screen.

Cellular + SIM settings: Background cellular data restriction

To meet market or mobile operator requirements, OEMs can restrict background data in the data usage settings.

Cellular + SIM settings: Cellular data fallback when in limited Wi-Fi connectivity

OEMs can change the default behavior for the device when Wi-Fi connectivity becomes limited.

Cellular + SIM settings: Cellular settings for phones

OEMs can hide certain user options for phones that appear in the Cellular & SIM screen in Settings.

Cellular + SIM settings: Change SIM to SIM/UIM

Partners can change the string "SIM" to "SIM/UIM" in the device UI.

Cellular + SIM settings: Change the default SIM name to match the SPN or operator name

By default, the OS displays SIM 1 or SIM 2 as the default friendly name for the SIM in slot 1 or slot 2 if the service provider name (SPN) or mobile operator name has not been set. Partners can use this customization to change the default name read from the SIM to define the SPN for SIM cards that do not contain this information or to generate the default friendly name for the SIM.

Cellular + SIM settings: Connection speed option

Partners can customize the listed names of the connection speeds, and can hide the user option to select the connection speed that is displayed on the SIM screen.

Cellular + SIM settings: Default highest connection speed

Partners can set the default value for the Highest connection speed option in the Settings > Cellular & SIM > SIM screen by specifying the bitmask for any combination of radio technology to be excluded from the default value. The connection speed that has not been excluded will show up as the highest connection speed.

Cellular + SIM settings: Default roaming option

Partners can set the default value for the Default roaming options option in the Cellular & SIM settings screen.

Cellular + SIM settings: Extended error messages for reject codes

When a reject code is sent by the network, partners can specify that extended error messages should be displayed instead of the standard simple error messages.

Cellular + SIM settings: Hide CDMA mode selection

For CDMA phones, partners can hide CDMA option in the network Mode selection drop-down that appears on the Cellular & SIM screen in Settings.

Cellular + SIM settings: Manual network selection timeout

OEMs can change the default network selection timeout value.

Cellular + SIM settings: Permanent automatic mode

OEMs can enable permanent automatic mode for mobile networks that require the cellular settings to revert to automatic network selection after the user has manually selected another network when roaming or out of range of the home network.

Cellular + SIM settings: Remove the trailing MSISDN digits on a SIM card

OEMs can remove the trailing MSISDN digits from the service provider name (SPN) in the device UI.

Cellular + SIM settings: Settings for IMS services

OEMs can configure the default settings and toggle for IMS services to meet mobile operator requirements.

Cellular + SIM settings: View Internet APN

For mobile operators that require it, OEMs can show the View Internet APN button in the Cellular & SIM settings page for users that have a data plan.

Cellular + SIM settings: Wi-Fi calling errors

OEMs can customize the mobile device to configure settings related to Wi-Fi calling errors

Kid's Corner: Default theme and accent color

Partners can set the default theme, including the background color (light or dark) and the accent color for Kid’s Corner.

Brightness settings: Brightness tuning

When the Brightness screen in Settings is not set to automatically adjust, this customization enables the user to select low, medium, and high intensities for the screen brightness.

Brightness settings: Hide the auto brightness setting

OEMs can hide the automatic brightness setting for phones that do not have an ambient light sensor.

Date + time settings: Disabling NITZ or daylight saving time

OEMs can configure NITZ to handle daylight saving time appropriately for their market, or disable automatic setting of date and time completely.

Date + time settings: Time zone priority list

Beginning with Windows 10 Mobile, this customization is no longer necessary as the OS supports a location-based timezone detection service. However, to maintain backwards compatibility for some RPAL APIs that were previously released (such as GetTimeZoneInformationID, SetTimeZoneInformationByID, and so on), an updated table of the timezone IDs is provided for your reference.

Keyboard settings: Disabling text correction and suggestions

For markets that do not use any of the available input languages, partners pick an alternative available input language as the default, but disable text prediction, auto-correction, and the spelling checker by default, using this customization.

Keyboard settings: Hardware keyboard character repeats hold time and delay

For devices that have a hardware keyboard, partners can optionally set the character repeat hold time and delay.

Keyboard settings: Pre-enabled keyboard

OEMs can use this customization to pre-enable additional device keyboards.

Keyboard settings: Text correction and suggestions

Partners must enable text correction and text suggestions for at least one input language, and can optionally include more.

Language settings: Mobile device languages

Partners must select the set of available languages to include on the mobile device. Partners must also specify one of the included languages as the default device language.

Region settings: Default list of countries/regions

OEMs can select the countries/regions to exclude from the default list shown in the mobile device's Country/Region list in the Settings screen.

Region settings: Regional format

Partners can specify the default country/region, regional format, pre-enabled keyboard, and speech languages for the device.

Speech settings: Speech languages

OEMs can specify the speech languages to include on the mobile device.

Ease of access settings: Telecoil and TTY support for accessibility

Partners can choose whether to show TTY and/or Telelcoil options in the device settings.

Phone update settings: Auto scan for phone updates

OEMs can show or hide the auto scan for updates setting on the device.

Phone update settings: Block using SD card for updates

For devices that support an SD card, OEMs can either allow or block the use of the SD card for device updates.

Phone update settings: Enable SD card override

By default, using the SD card for device updates is disabled. OEMs who want to use the SD card for device updates must set EnableSDCardOverride to opt-in and re-enable updates using the SD card.

About settings: Phone metadata in DeviceTargetingInfo

Partners are required to set certain device metadata, including hardware, support, and OEM and MO information.

Radio settings: Showing the FM radio

For devices that include an FM radio chip, OEMs can show FM Radio in the Apps list.

Radio settings: FM radio frequency band

OEMs can change the default setting for the FM radio receiver to use an appropriate frequency for the market in which the device will be sold.

Browser settings: Default value for browser data saver

Partners can configure the default setting for the browser data saver feature by turning the browser optimization service on or off, using the BrowserDataSaver setting

Browser settings: Show pictures automatically when browsing

Partners can enable or disable the Show pictures automatically setting in the browser's advanced settings screen.

Messaging settings: Adding an LED notification option

OEMs can configure a registry key to specify a selected notification LED as the LED notification and then add an LED notification option to the device's messaging Settings screen.

Messaging settings: CMAS Required Monthly Test

Windows supports the Commercial Mobile Alert System (CMAS) Required Monthly Test (RMT) messages. To enable this, OEMs can set a registry key so messages can be delivered to the device.

Messaging settings: Disable editing of the SMS center number

To meet market or mobile operator requirements, OEMs can configure a setting to prevent users from editing the SMS center number in the messaging settings CPL.

Messaging settings: Display CMAS message order

Partners can configure the order in which newly received CMAS alert messages are displayed on the device.

Messaging settings: Emergency notifications

Partners can turn on support for various government emergency notification programs.

Messaging settings: Extract phone numbers in strings

Partners can extend the entity extraction feature that recognizes phone numbers in text. This customization allows strings of numbers that are concatenated to a string to be recognized.

Messaging settings: International assisted dialing for SMS

If partners have turned off Assistance for dialing international phone numbers, partners may still override the MCC and MNC used for plus code replacement when sending SMS.

Messaging settings: MMS APN settings

Partners can choose to display an add mms apn or edit mms apn button that enables the user to configure the APN used for MMS.

Messaging settings: MMS automatic download

Partners can choose to display an Automatically download MMS toggle to allows users to turn off automatic downloads of MMS messages. If the toggle is displayed, partners can also change the default value to stop automatic MMS downloads.

Messaging settings: MMS data options

Partners can configure the MMS data options to:

  • Show the Allow MMS if cellular data is off toggle in the Messaging settings screen.

  • Allow MMS messaging even if data is turned off.

  • Allow MMS messaging even if data is turned off and the user is roaming.

Messaging settings: MMS delivery confirmation

Partners can specify whether users receive notification that MMS messages could not be delivered, and determine whether users can control this by using the MMS delivery confirmation toggle in the Messaging settings screen.

Messaging settings: MMS for group messages

For the setting that determines if group messages sent to multiple people must be sent as MMS, partners can customize the setting by hiding or showing the Group text toggle in the Messaging settings screen, changing the default value, and configuring the option to alert the user of possible additional charges for sending a group text as MMS.

Messaging settings: MMS receipt acknowledgement

Partners can specify whether the device automatically sends a receipt acknowledgment for MMS messages when messages arrive, and allow users to control the receipt acknowledgments by using the Send MMS acknowledgement toggle in the Messaging setting screen.

Messaging settings: SMS delivery confirmation

Partners can specify whether users receive notification that SMS messages could not be delivered, and determine whether users can control these notifications by using the SMS delivery confirmation toggle in the Messaging settings screen.

People settings: Contact management on the SIM

Partners can specify that users should be able to read, edit, delete, import, and export contact information on their SIM (basic SIM, USIM, or RUIM). This customization is only available for devices sold in China.

People settings: Disable wait for phonebook ready signal from the modem

FDN SIM contacts syncs from the SIM during device boot. By default, this component waits until the phonebook ready signal is received from the modem and then it verifies whether FDN contact management is enabled on the SIM. If needed, OEMs can disable the wait for the phonebook ready signal.

People settings: Hide contacts without phone numbers

Partners can change the default OS behavior so that both contacts with phone numbers and contacts without phone numbers are shown in the People Hub.

People settings: Sort order for contacts

OEMs can use this customization to set the list of contacts displayed in the People Hub to be organized by last name instead of first name or first name instead of last name.

People settings: Sort order for contacts override

OEMs can customize the default values for people sort and display settings as documented in the Sort order for contacts customization. However, these settings may be overridden by the defaults for the user’s current locale unless the OEM sets an additional override registry key.

Phone settings: Assistance for dialing international phone numbers

Partners can turn off the international assist feature that helps users with the country codes needed for dialing international phone numbers.

Phone settings: Call forwarding

Partners can hid the user option for call forwarding.

Phone settings: Conditional call forwarding

Partners can now show the call forwarding icon for conditional call forwarding as well as unconditional call forwarding.

Phone settings: Hide the SIM security settings option

OEMs can hide the SIM security settings option.

Phone settings: Long tones

Partners can make a user option visible that makes it possible to toggle between short and long DTMF tones.

Phone settings: Overriding the voicemail number on the UICC

Mobile operators can override the voicemail number on the UICC with a different voicemail number that is configured in the registry.

Phone settings: Trim supplementary service codes

OEMs can trim supplementary service codes to ensure network compatibility. When a code is sent using a USSD string in a ##code# format, EnableSupplementaryServiceEraseToDeactivateOverride trims the USSD string so #code# is sent. This customization applies only to codes that use the ##code# format.

Phone settings: Video over LTE

Partners can customize specific settings and behavior for Video over LTE to meet mobile operator requirements.

Phone settings: Voicemail number for CDMA phones

CDMA mobile operator partners who do not have the voicemail numbers on the device SIM can configure the voicemail number for their devices.

Phone settings: Wi-Fi calling operator name

OEMs can customize the display name for the mobile operator when the device is using Wi-Fi calling.

USB settings: Enable the incompatible charger notification

Partners can set the device to display a warning when the user connects the device to an incompatible charging source. This warning is intended to notify users that their device may take longer to charge or may not charge at all with the current charging source.

USB settings: Enable the data connection prompt

Partners can set the device to display a dialog that asks for permission to enable the data connection when the user connects the device to a host computer via a USB cable.

USB settings: Hide the weak charger notification option UI

Partners can configure the device to hide the dialog that is displayed when the user connects the device to an incompatible charging source and hide the USB setting that notifies the user when the device is connected to a slower charger.

Store settings: CTA app install prompts

To meet China Type Approval (CTA) requirements for devices shipping in China, OEMs must show a notification dialog to alert users when the app being downloaded does certain things.

Store settings: Windows Store for China

For a Windows 10 Mobile device shipping in China, OEMs must specify that the device is intended for that market by setting the PhoneROMLanguage setting in DeviceTargetingInfo to the appropriate locale ID.

System tray: Display location icon

Partners can hide the location icon in the system tray if they choose.

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