Download 한국투자증권 BookFriend APK v20190213

How to install 한국투자증권 BookFriend?

Click on the saved APK file 한국투자증권 BookFriend.Since Android does not allow the installation of APKs from Unknown Sources, please do the following:
-> Open the file 한국투자증권 BookFriend .apk, there will be a message like this one:



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

How to install OBB file?

+ First of all, please download the APK file of 한국투자증권 BookFriend first.
+ 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 / kr.truefriend.library /
-> 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.