1; Go to apps Downloads.
2; In setting, Scroll Down download size limit to Unlimited.
3; And Done.
Tested On Xiaomi Redmi 2 and 2 Prime and Redmi 3 (MIUI 6.6&7.1&7.2 Kitkat&Lollipop)
I created this blog to fill my spare time and so my knowledge is more beneficial to others
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