Backup contacts, photos, videos, sms messages and call logs from LG Viper 4G LS840

LG Viper 4G LS840

Available guides for synchronization to the secure cloud

Supported functions

  • contact synchronization
  • sms backup
  • call log backup
  • photo synchronization
  • video synchronization
  • automatic sync

LG Viper 4G LS840 is supported on PhoneCopy. Please note that following settings may vary a little depending on the firmware version.

Confirmed models

lg-ls840: cayman_sprint_us/cayman (cayman_sprint_us/cayman)
lg-ls840: cayman_sprint_us/cayman (qcom/msm8660_surf)

Confirmed versions

Android 4.0 Ice Cream Sandwich
zvk.imm76d (msm8660/mdm9600/unknown)
zvi.imm76d (msm8660/mdm9600/unknown)
Android 2.3 Gingerbread
zvd.gwk74 (unknown/unknown)
zvc.gwk74 (unknown/unknown)

Android versions running on LG Viper 4G LS840

PhoneCopy for Android app supports various Android versions. Our users synchronized their LG Viper 4G LS840 running Android 4.0 Ice Cream Sandwich (83.10%), Android 2.3 Gingerbread (16.90%).

Android versions on LG Viper 4G LS840

The chart depicts LG Viper 4G LS840 backup with PhoneCopy, running on various versions of Android.

Text guideline - How to backup

From LG Viper 4G LS840

If you want to transfer contacts from your Android device please use following screenshot guide.
  1. Download our PhoneCopy for Android application to your mobile device.
  2. After launching the application, create a new account from the application. If you have already created an account on web pages www.phonecopy.com, log in to this existing account in the application.
  3. After successful login, go through the application setup wizard and then select "Synchronize" (for an account with an existing backup) / "Backup" (for an empty account) or press the "Later" button and then select option in the side menu "Back up contacts" / "Restore contacts" for one-way synchronization.

More detailed information and instructions include screenshots: how to backup and synchronize contacts from Android

For more information about our app, visit our PhoneCopy for Android page.


You need an Android phone version 4.4 (KitKat), 5.0, 5.1 (Lollipop), 6.0 (Marshmallow), 7.0, 7.1 (Nougat), 8.0, 8.1 (Oreo), 9.0 (Pie), 10, 11, 12, 13 and 14 incl. tablets. Let us just remind you, that for now PhoneCopy for Android transfers to server contacts, photos, videos and SMS.

In the case of problems with synchronization, please contact us.

To LG Viper 4G LS840

If you want to transfer contacts to your Android device please use following screenshot guide.
  1. Download our PhoneCopy for Android application to your mobile device.
  2. After launching the application, create a new account from the application. If you have already created an account on web pages www.phonecopy.com, log in to this existing account in the application.
  3. After successful login, go through the application setup wizard and then select "Synchronize" (for an account with an existing backup) / "Backup" (for an empty account) or press the "Later" button and then select option in the side menu "Back up contacts" / "Restore contacts" for one-way synchronization.

More detailed information and instructions include screenshots: how transfer contacts to Android

For more information about our app, visit our PhoneCopy for Android page.


You need an Android phone version 4.4 (KitKat), 5.0, 5.1 (Lollipop), 6.0 (Marshmallow), 7.0, 7.1 (Nougat), 8.0, 8.1 (Oreo), 9.0 (Pie), 10, 11, 12, 13 and 14 incl. tablets. Let us just remind you, that for now, PhoneCopy for Android transfers to server contacts, photos, videos, and SMS.

In the case of problems with synchronization, please contact us.

User comments

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  • Mdasif skasif2122, 04/11/2024
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