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Knowledge Base

Backup

How to take backup and restore backup of messages ?
How to export MMS?
How frequently Calculator Pro+ takes auto backup?
How to get lost messages ?
When data get lost?
How to move Private Contacts and Messages to my new phone?
How to reinstall application ?
How to stop auto backup ?

Chat

How to use phone's default emoji?
How to enable auto suggest messages from previously sent or received messages ?
what is single or double green check(tick) marks or blue mark?
How to format your messages

Disappearing Messages

About disappearing messages
How to use disappearing messages
About kept messages

Installation

How to use Calculator Pro+?
Open App via Dialer, Hide Call Logs and Block Call features removed
What is Calculator Pro+ ?

MMS

Unable to send or receive or download MMS (Multimedia message)
How to save MMS Media (Image/Audio/Video) ?

Mobile

Xiaomi MI mobile setting for Calculator Pro+?
Huawei device settings for Calculator Pro+?
Oppo phone setting for Calculator Pro+?

Notification

How to stop/disable to display notification on status bar in Android Oreo OS?
How to change notification?
How to set custom notification ?
How to stop/disable to display notification dots on app icon in Android Oreo OS?

Premium Feature

What are premium features options available in Android Calculator Pro+ client ?
Application still showing ads (advertise) after upgrade to pro version.
What is pro version subscription in iOS PSB client?
What is buy virtual number subscription in iOS PSB app?

Private Contact

How to modify or delete contact ?
How to add contact to Calculator Pro+?
Why some private message not getting filter ?

Settings

What are supported network options in Calculator Pro+?
How to disable Calculator Pro+ for specific time?
Change time for automatically close Calculator Pro+ application
Close Calculator Pro+ application on screen off
How to disable Calculator Pro+ lock screen ?
Set Fake PIN in Calculator Pro+
Use Calculator Pro+ application for only free messaging application.
How to close application by shaking phone in emergency?
How to find Device ID of Calculator Pro+ app ?
How to change PIN or Password ?

SMS Credits

How to buy SMS Credits ?
How to send message using SMS credits?
How much will you charged per SMS?

Theme

How to change application theme color ?
How to change bubble/text color in conversation screen ?
How to apply wallpaper themes?

Usage

How to open app?
How to send free audio message to Calculator Pro+ Users?
Calculator Pro+ won’t open after firmware upgrade.
How to delete contact from Calculator Pro+ and move messages back to native SMS app ?
Calculator Pro+ is misbehaving, How to report you?
Where saved MMS will be put?
How to open Calculator Pro+ app via web browser?
How I can move messages back to native inbox?
How to change notification icon?
How to collect Device logs?
How to enable free messaging between Calculator Pro+ users?
Application sends message twice.
How to set default network to send message?

Verify Number Using Telegram

Step-by-Step Guide to Receive Your Verification Code on Telegram

Virtual Number

What is virtual phone number ?
Why should I buy a virtual number ?
How to buy a virtual phone number ?
How to send SMS using virtual number ?

Migrate to Calculator Pro+

How to move messages from (PSB OR Messages Pro) to Calculator Pro+?

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