How WhatsApp send audio files or video clips instantly

09 Mar 2016

How WhatsApp send audio files or video clips instantly

If you forward any video clips or mp3 files from your mobile phone from any other contact it sends immediately in WhatsApp.
You may wonder that how is this possible or they have stored all media files on their server.
Whatsapp stores all files and attachments on their database with its own checksum. Every file can be represented by an alphanumeric sequence of characters in it.
When user uploads a file whose checksum is already present on their database, they just use the uploaded copy of the file stored on their server.
This has several advantages. It has several advantages which includes preventing double uploads, avoids server overloads, save your mobile data, whatsapp save space on their database.
Similar technique is also used by dropbox to transfer files.

Also, While sending images in WhatsApp, there is an option to add caption to it. This caption is visible on image, at the receiving end, but when this image is copied or forwarded, only image is received.
To resolve this issue, try following steps:
Select an image along with caption that you want to forward.
Choose "Arrow/Forward" Button. This will show "Select contact" screen.
Click 'OK' when asked about forwarding to selected contact.

This method should forward image from conversation/chat along with Image's caption to the recipient.

Recent Posts

Resolving Operating System Storage space in Android

Important Facts about quick charging in Android

Important facts about MIUI

Why some applications need a lot more permissions on update on new installation

Resolving Files and data moved to SD Card not scanned by Android

GPS Battery Drain - LocationManagerService

Security of Public WiFi networks

Trends of smartphone companies

HTC U11 life Camera Review

LG V30 Camera Review

GPU in Smartphones

Biometric authentication in smartphones

Important Features of Android Oreo

Dual Cameras in Smartphones

Optimization of Android Phone

LG V20 at a glance

Important Features of Huawei Honor 8

Facts about Android data stored on external SD Card

Advantages and disadvantages of limiting background processes in Android

Oppo F1s launched with 16MP selfie camera

First official Galaxy Note7 advertisement confirms some specifications

Risk of installing CyanogenMod on unsupported phones

Difference between Opera Mini and Opera mobile Browsers

Best Android browsers of 2016

Sony Xperia X Performance at a glance

How Google Maps estimate your location without GPS

Why Android have AntiVirus apps while they are few for iOS

iPhone 7 could be waterproof and can feature touch sensitive home button

Key features of iPhone SE

Can you upgrade the RAM of an Android device © Copyright 2018, All Rights Reserved.