Duo Plus1.5 - App Store

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Publisher Description

Duo is an indispensable Bluetooth-based helper for your iPhone, while Duo plus is an assisting app designed for using Duo on iOS devices. Once paired with Duo via a specialized App, your iPhone will become Dual SIMs & Dual Standby, which allows to make phone calls and send SMS with any SIM card inserted in Duo. For the iOS devices without communication functions such as iPad and iPod Touch, Duo can enable them become a real phone.

Phone Call & SMS
When Duo is connected with your iPhone, contacts list will be synced. You only need to make phone calls and text messages on App as what you usually do on your phones. Duo App cannot edit contacts. If you want to edit contact information, please go to Contacts of your phone to make modifications.

Regarding DuoPlus’s background audio play function:

The matched BLE gadget contains Anti-lost Alarm function.
It has 2 modes: Mutual Find and Lost Alarm.

A. Mutual Find Mode
After BLE gadget connected with App, in App’s Settings---More, you can enable “Find iPhone” feature, and select unique Ringtone for alarm from in-built ringtone list.
When user needs to find his misplaced iPhone (iPhone and BLE gadget stay connected), he can long press the camera button on BLE gadget for 4 seconds to make iPhone play selected Ringtone alarm, this audio sound will help to locate and find it. 
During Ringtone alarm playing period, if iPhone found, he can repress the camera button for about 4 seconds to mute and stop Ringtone playing.
Either App is running background or foreground, long press the camera button will make iPhone play this selected Ringtone alarm.

B. Lost Alarm Mode
When iPhone and BLE gadget lost connection (poor Bluetooth connection, App quit abnormally, long distance between each other), this selected alarm Ringtone will also be triggered to be played on iPhone to alert user, no matter App is running background or foreground.



Regarding DuoPlus’s GPS function:
If iPhone and BLE gadget lost connection, App will use iPhone’s GPS to locate and record the current location of iPhone, in App’s Settings---Lost Records, this last connection location will be marked as Pinpoint on Map to help user backtracking it.


Related functions demonstration video as below:
https://youtu.be/HZbE4vaxKQw

Supporting devices
It supports Apple devices with iOS7.1 or above.
(iPhone5, iPhone5c, iPhone5S, iPhone6, iPhone6 plus, iPhone6s, iPhone6s plus; iPad2 & above; iPad mini all series; iPod Touch5 & above)

Notice:
Continued use of GPS running in the background can dramatically decrease battery life.

Oct 29, 2016
Version 1.5
This app has been updated by Apple to display the Apple Watch app icon.

Compatible with iOS10
Update database of Carrier information to fix the bug that carrier title isn't displayed correctly in some areas
General bug fixes and performance enhancements



About Duo Plus

Duo Plus is a free app for iOS published in the System Maintenance list of apps, part of System Utilities.

The company that develops Duo Plus is 文辉 刘. The latest version released by its developer is 1.5.

To install Duo Plus on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2016-10-29 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Duo Plus as malware if the download link is broken.

How to install Duo Plus on your iOS device:

  • Click on the Continue To App button on our website. This will redirect you to the App Store.
  • Once the Duo Plus is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
  • If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
  • After Duo Plus is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
  • Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.

Program Details


General

Publisher
Released Date
2016-10-29
Languages
English

Category

Category
Subcategory

System requirements

Operating systems
iOS

Download information

File size
23.9 MB
Total downloads
0

Pricing

License model
Free
Price

Version History


Here you can find the changelog of Duo Plus since it was posted on our website on 2016-11-02. The latest version is 1.5 and it was updated on Apps112 on 12 October, 2026. See below the changes in each version:

version 1.5

posted on 2016-10-29

Oct 29, 2016 Version 1.5
This app has been updated by Apple to use the latest Apple signing certificate.

Compatible with iOS10
Update database of Carrier information to fix the bug that carrier title isn't displayed correctly in some areas
General bug fixes and performance enhancements

version 1.5

posted on 2016-10-29

29 Oct 2016 Version 1.5
Compatible with iOS10
Update database of Carrier information to fix the bug that carrier title isn't displayed correctly in some areas
General bug fixes and performance enhancements

version 1.5

posted on 2016-10-29

Oct 29, 2016 Version 1.5
Compatible with iOS10
Update database of Carrier information to fix the bug that carrier title isn't displayed correctly in some areas
General bug fixes and performance enhancements

version 1.5

posted on 2016-10-29

Oct 29, 2016 Version 1.5
This app has been updated by Apple to display the Apple Watch app icon.

Compatible with iOS10
Update database of Carrier information to fix the bug that carrier title isn't displayed correctly in some areas
General bug fixes and performance enhancements

version 1.5

posted on 2016-01-21

version 1.5

posted on 1970-01-01

2016年10月29日 Version 1.5
Compatible with iOS10
Update database of Carrier information to fix the bug that carrier title isn't displayed correctly in some areas
General bug fixes and performance enhancements

Disclaimer


Official App Store Link


We do not host Duo Plus on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.

The App Store link for Duo Plus is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.

If you have questions regarding this particular app contact the publisher directly. For questions about the functionalities of apps112.com contact us.





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Users Rating:
  0.0/5     0
Downloads: 0
Updated At: 2026-10-12
Publisher: 文辉 刘
Operating System: iOS
License Type: Free

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