Hello friend through this video I will help you to solve connectivity problems related to oneplus z2 neckband (specially in redmi device you see this problem Either your neckband is connected and you are not able to hear anything through this neckband and also your video start lagging).or any type of connectivity issues. watch this video and follow the steps your prblm will solve.hope you like this and subscribe our youtube channel. thank you #howtosolveprobleminoneplusbulletz2neckband #howtosolveconnectivityissueinoneplusbulletz2neckbnad .