Installing the PWA on your phone#

The ELT Field Service app (PWA, Progressive Web App) runs in a browser, but you should install it to your phone’s home screen: it then launches like a normal app, hides the browser’s address bar, and push notifications + background sync work more reliably.

Android (Chrome)#

Adding to the home screen#

Open https://mobile.work.elt.systems in Chrome.
Log in (with credentials from the office — see Login).
Open Chrome’s three-dot menu (⋮) and pick “Install app” (or “Add to Home screen”).
Confirm — the icon appears on your home screen as ELT FSM.
Launch it from there → it looks like a real app, no browser chrome.

Enabling push notifications#

Notifications are not on by default — you activate them once. After that you’ll get a notification each time you’re assigned a task or an assistant-installer request comes in.

Open the PWA → Settings (top right).
Find the “Notifications” section → “Enable notifications”.
Confirm Chrome’s “Allow notifications?” dialog.
The status turns green: “Notifications enabled on this device”.

iPhone / iPad (Safari)#

**On iPhone, push only works after install.** Unlike Android, iOS 16.4+ requires the PWA to be added to the home screen before push notifications can be enabled. From a regular Safari tab, "Enable notifications" won't work.

Adding to the home screen#

Open https://mobile.work.elt.systems in Safari (not Chrome on iOS).
Tap the Share button (the ↑ symbol in the bottom toolbar).
Scroll down and pick “Add to Home Screen”.
Confirm the name “ELT FSM” → “Add”.
Launch from the home screen — not from Safari anymore.
Once running as an installed app, enable push: Settings → Notifications → “Enable notifications”.

Receiving updates#

The app auto-updates, but the new version only takes effect after you close and reopen it. To force an update right now:

Settings → “App version” section at the bottom.
Tap “Check for updates”.
If a newer version is found, the app downloads it and reloads automatically. Otherwise it shows “✓ App is up to date”.

Troubleshooting#

Chrome menu has no ‘Install app’ option

Check: - Did you open **`https://mobile.work.elt.systems`** (HTTPS, not HTTP)? - Is Chrome reasonably recent (90+)? Try updating from the Play Store. - Some browser variants (Brave, Samsung Internet) name it slightly differently — look for "Add to home screen".

App shows old version after updating

Force a clean state: **Chrome → Settings → Site settings → All sites → mobile.work.elt.systems → "Clear & reset"**. Then reopen the app from the home screen. This **keeps your login** intact.

Notifications don’t arrive

Check in order: 1. **Settings → Notifications → "Enable"** — is the status green? 2. If you're on **iOS** — is the PWA on the home screen? (A Safari tab alone is not enough.) 3. **Phone system settings → Notifications → ELT FSM** — allowed at the OS level? 4. **Do Not Disturb** or Focus mode can block them in some cases.