Knowledge Base
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Backup
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Chat
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Disappearing Messages
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Installation
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MMS
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Mobile
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Notification
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Premium Feature
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Private Contact
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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 ?
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SMS Credits
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Theme
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Usage
- How to open app?
- How to send free audio message to Calculator Pro+ Users?
- How to delete complete conversation?
- 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?
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Verify Number Using Telegram
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Virtual Number
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Migrate to Calculator Pro+
Table of Contents
< All Topics
How to buy SMS Credits ?
Enable Free Messaging
- Open Calculator Pro+.
- Go to settings
- Click on “Enable Free Messaging”
- Enter your phone number & verify it.
Buy SMS Credits
- Open Calculator Pro+.
- Click on top-left corner and open the sliding menu as the display in below screenshot.
- Click on “Payment” option.
- Click on “TOP-UP BALANCE” and complete payment procedure.
