Yep, this was also the case with my old phone. Opening apps took a while but after that, everything was more fluid afterwards and clearly indicated that storage

Yep, this was also the case with my old phone. Opening apps took a while but after that, everything was more fluid afterwards and clearly indicated that storage played a part in the device's slowness. Though, the 1.5 GB ram and the quad-core Cortex-A7 still made the device pretty slow.