How to merge Internal and external memory storage in android(Lollipop and kitkat)

If you have Marshmallow then go to How to turn external SD card into internal storage in android phone (Marshmallow)

This Tutorial is to merge Internal and external memory storage in Lollipop and kitkat

1. Firstly download the Mini Partition Wizard tool and install it on your PC. Make sure that PC is not Mac or Linux-based, the software only works with on Windows-based PC.
2. Save all important data from SD card to safe place. Now connect your SD card using card reader to your PC.
3. Now launch the Mini Partition Wizard tool, and follows the below pictures:
   • First locate your SD card, just like I did below:
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   • Now click on “Move/Resize” option listed on top of screen.
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   • Now set the amount of Internal Memory you want, from my 2 GB memory card I selected 1 GB as my External memory and reset of it as Internal Memory(831 MB). 831 MB is good enough to install lots of apps and some good games. Then press ok, after it you will see two partition, one is of 1 GB and another is 831 MB.
   • Now right click on “empty” or “Unallocated” space and then click on “Create”, you will receive a windows warning, just ignore it and select “OK”. This Unallocated memory will be treated as Internal Memory for your phone. Then you’ll reach to below screen:
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   • Under Create As: set it to primary and under file system choose the Fat32 and then press ok just below:
   • After it, click on Apply button placed on top left site of program, then you’ll encounter a “Apply changes” windows, just press “Yes” to proceed.
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   • After it, a prorgess screen will appears just like below and it takes few minutes to complete the work.
   • When it completes, you will get a two partitions of your SD card and you are ready to go further.
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4. Now remove memory card from PC and put it to your phone.
5. Run the Link2SD app and you’ll be asked to “Select the file system of your SD card’s second partition”, select the Fat32/Fat16 option and then tap on ok.
6. After it, you may be asked for restart, then just restart the device and again run the Link2SD apps. Now underLink2SD, go to settings.
7. Under Settings check the box that says “Auto Link” and all done.