Those who are facing issues after the upgrade, please take your ring's to the nearest service centre and they will replace it under warranty. I got mine replaced. In the new one I will never do any upgrades as it stays now for almost a week and I don...
All the guys facing issues - Never apply upgrades since they are all downgrades in disguise 兩 ; downgrades to performance, features, battery life and all other goodies in the current version.