If Gmail is not syncing on your Android or iPhone, it can disrupt important emails and notifications. Common causes include poor internet connectivity, outdated app versions, incorrect account settings, or disabled sync options. Storage issues, background data restrictions, and software glitches may also prevent Gmail from updating. Resolving this often involves checking sync settings... https://hackmd.io/@VeZd7WLKSNimxK_Val9mFA/why-is-gmail-not-syncing-on-my-android-or-iPhone