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Frequently Asked Questions

Data Usage and Storage

What is Low Data Usage mode?


Zangi-developed SC Protocol makes Zangi the lowest data consumer messenger on the market. If your internet is expensive or if you want to save on data, you can turn on the mode called: Low Data Usage for Cellular (LTE/3G/2G) and Wifi to consume minimum data during calls. Disable this mode for highest quality calls.

With Low Data Usage mode, you can talk up to 7 minutes while using only 1 MB of Internet data. Switch on/off Low Data Usage mode from your app SettingsLow Data Usage → Enable/Disable low data with Cellular use or Wi-Fi use.

About the Streaming Control Protocol Technology

Zangi-in-house-developed Streaming Control Protocol (SCP) was designed to replace Realtime Transportation Protocol (RTP) as a standard for online data transmission. SCP works by reducing the size of the payload format in order to carry up to 25% more data in IP networks on the same bandwidth.

The advantages provided by SCP include low bandwidth usage, smart Internet channel for data transmission, fast and smart recovery for lost packages, Internet Channel Quality-Adaptive system and a fully codec-independent platform.

Related resources

The 5 Best Messengers with the Least Data Usage

Why Low Data Feature Is Important For Your Messenger

All About Zangi’s Low Data Usage

How to Reduce Cell Data Usage? HOW TO VIDEO

Data Usage Comparison - VIDEO

Turning on/off Low Data Usage mode


Switch on/off Low Data Usage from your app SettingsLow Data Usage → Enable/Disable low data with Cellular use or Wi-Fi use.

When enabling the Low Data Usage mode, you can talk up to 7 minutes while using only 1 MB of Internet data. Disable this mode for highest quality calls.

How can I see how many MBs Zangi is using?


To see how many MBs you have used during your last outgoing calls, go to Calls → tap on the ⓘ next to the call you want to check → a new page will appear with the contact → under the calling menu you can see the date, time and how many KB or MB you have used during your last call with the chosen person.

Is shared media saved on my device?


Media shared during conversations in Zangi will be kept on your device for a specific period of time, based on how you configure your app Settings. To set media expiration periods go to your app SettingsData Storage → enable/disable Keep Media: forever, after 1 month, after 1 week or after 3 days.

How long is media kept on my device?


To set media expiration periods go to your app SettingsData Storage → enable/disable Keep Media: forever, after 1 month, after 1 week or after 3 days. After the expiration of this period, the data will be deleted from the device to delete space.

About storage/cache use


Find information from your app SettingsData StorageStorage Usage → View or Clear All/ certain caches. Tap on the name of the contact to clear specific caches such as from photos, videos, voice messages and files

Auto saving media


Automatically save media from your app SettingsData Storage → enable/disable Autosave to Gallery.