WhatsApp for LG Stylus 2

The Stylus 2 has only about 1.5 GB of RAM, so it bogs down once too many apps run in the background. Go to Settings > Apps, open the apps you don't need and tap Force stop, and disable any bloatware you can't uninstall. Then clear cached data under Settings > Storage. If it's still sluggish, back up your data and do a factory reset via Settings > Backup & reset > Factory data reset to clear years of accumulated junk. Keeping fewer apps installed and freeing up internal storage also helps the most on a phone with this little RAM. See how others solved this on Reddit

On older LG phones the restore can stall near 99% when the Google Drive backup is large or the connection drops, so keep the phone on Wi-Fi, plugged into a charger, and leave it on that screen for 20-30 minutes since it often completes on its own. If it truly freezes, force stop WhatsApp from Settings > Apps, confirm you're using the same phone number and Google account tied to the backup, then reinstall WhatsApp and let it pull the backup during setup. As a fallback, WhatsApp also keeps a local backup in the phone's internal storage under WhatsApp/Databases, which can restore without Google Drive. See how others solved this on Reddit

The Stylus 2 is stuck on Android 6 (some variants 7) with no further updates, so it's reasonable to move on as apps drop support over time. A budget Moto G is a common, well-regarded upgrade that runs near-stock Android with current app support. Before switching, transfer your chats by making a Google Drive backup in WhatsApp on the Stylus 2 (Settings > Chats > Chat backup), then restore that backup on the new phone using the same number and Google account during WhatsApp setup. See how others solved this on Reddit

The Stylus 2 has a removable back and a swappable battery, so fitting a fresh replacement battery is usually the single biggest fix for an aging unit. Beyond that, lower the screen brightness, turn off background account sync under Settings > Accounts, and open Settings > Battery to see which app is draining the most and restrict it. Demanding tasks like video calls run the older chipset hard and generate heat, so stick to voice or text when the phone is already warm. See how others solved this on Reddit

LG's mid-range phones from that era were known for bootloops and screen issues as they aged, so back up regularly to avoid losing data if the phone suddenly fails. Keep a current WhatsApp backup on Google Drive (Settings > Chats > Chat backup) and let Google Photos sync your pictures so nothing is lost if the hardware dies. If it does start randomly rebooting, a factory reset sometimes buys time, but plan to migrate to a newer phone before it fails completely. See how others solved this on Reddit