I have this problem in ts will be 3 months ago, I emailed support for ts android said it was my phone but I'm not the only one having this problem, some friends of mine using the same platform are having the same problem , since you updated it in April / June, it's like this.

My phone version: Motorola Moto G2 XT1068
GPU Adreno 305
Chipset Snapdragon 400 Qualcomm MSM8226
Android 6.0 Marshmallow