Instructions for installing Headway: Books' Key Ideas v1.5.8.0 APK + MOD (Premium Unlocked)

Click on the saved APK file Headway: Books' Key Ideas v1.5.8.0 APK + MOD (Premium Unlocked) . You may experience a problem that does not allow installation.
By default, Android phones do not allow the installation of APKs from Unknown Sources (Unknown Sources), please do the following:
-> Open the downloaded Headway: Books' Key Ideas v1.5.8.0 APK + MOD (Premium Unlocked) .apk file. You will see a warning message as shown:

Install

-> Click Settings (Settings).
-> Click the Turn button (Turn on).
-> Go back and select the downloaded APK file. Click the Install button (Install).

Instruction to install OBB file

+ Please download the APK file of Headway: Books' Key Ideas v1.5.8.0 APK + MOD (Premium Unlocked) first.
+ Then copy the APK file to your device's SD card and Install it. (Don't open it after installing)
+ Next, download the Obb file and copy the * .obb file named '' to the required location:
/ SDCARD / Android / obb / com.headway.books /
-> The full / absolute path of the obb file will look like this (Remember case sensitive):
If you don't have such a folder, create it manually on your SD card.

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