Yahoo not updating
If you happen to be using a battery saving app, then check the settings of the app and find out if it has any option to turn sync on and off.
If it does not have this option then uninstall the app and check if your emails can sync after uninstalling the app.
The blue bar displays the response time, which is better when smaller.
If no bar is displayed for a specific time it means that the service was down and the site was offline.
If your problem is fixed then the app was the problem.
These solutions should help you resolve the problem of emails not syncing on your Samsung Galaxy S5 so that you can enjoy using your device without losing out the emails sent to you.
This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness.Whether you have already enabled the native email syncing, Gmail syncing or even Yahoo syncing, if the Master Sync is disabled, no email will be synced efficiently on your Galaxy S5.