I play Efootball a lot. Since I have updated it to 2.5.5 the device overheats quickly to 40C in about 10 minutes and then starts dropping frames. Due to some display issue I visited service centre and they rolled it back to 2.5.3. Again performance was back to normal and there was no overheating issue. I updated it to 2.5.5 and now 2.6 and overheating issue is back. Prior to 2.5.5 update gaming performance while playing efootball was nearly perfect and the device never overheated.
On the other hand I also play COD Mobile on highest settings on my device and the performance is still perfect. No overheating at all. Only the device overheats while playing efootball. Hope someone from Team Nothing will look into this matter and come up with a solution.