diff --git a/webui-src/app/boards/boards.js b/webui-src/app/boards/boards.js
index 758a291..c80a4c8 100644
--- a/webui-src/app/boards/boards.js
+++ b/webui-src/app/boards/boards.js
@@ -36,6 +36,9 @@ const getBoards = {
   },
 };
 
+//  Group lists change on the scale of a conversation, not of a frame.
+const BOARD_LIST_REFRESH_MS = 30000;
+
 const sections = {
   MyBoards: require('boards/my_boards'),
   Subscribed: require('boards/subscribed_boards'),
@@ -48,7 +51,7 @@ const Layout = () => {
 
   return {
     oninit: () => {
-      rs.setBackgroundTask(getBoards.load, 30000, () => {
+      rs.setBackgroundTask(getBoards.load, BOARD_LIST_REFRESH_MS, () => {
         return m.route.get().startsWith('/boards');
       });
       peopleUtil.ownIds((data) => {
diff --git a/webui-src/app/channels/channels.js b/webui-src/app/channels/channels.js
index 58c04e2..d4f4571 100644
--- a/webui-src/app/channels/channels.js
+++ b/webui-src/app/channels/channels.js
@@ -40,6 +40,9 @@ const getChannels = {
   },
 };
 
+//  Group lists change on the scale of a conversation, not of a frame.
+const CHANNEL_LIST_REFRESH_MS = 30000;
+
 const sections = {
   MyChannels: require('channels/my_channels'),
   Subscribed: require('channels/subscribed_channels'),
@@ -52,9 +55,14 @@ const Layout = () => {
 
   return {
     oninit: () => {
-      rs.setBackgroundTask(getChannels.load, 5000, () => {
-        // return m.route.get() === '/files/files';
-      });
+      //  The scope predicate used to be commented out, so it returned undefined
+      //  and setBackgroundTask stopped after the first interval: the channel list
+      //  was loaded once and never refreshed while the page stayed open. Same
+      //  period as the boards list, which asks the same kind of question -- a
+      //  five second poll of a whole summaries list is a lot to pay on a phone.
+      rs.setBackgroundTask(getChannels.load, CHANNEL_LIST_REFRESH_MS, () =>
+        m.route.get().startsWith('/channels')
+      );
       peopleUtil.ownIds((data) => {
         ownId = data;
         for (let i = 0; i < ownId.length; i++) {
diff --git a/webui-src/app/forums/forums.js b/webui-src/app/forums/forums.js
index 0dd9187..acc09dd 100644
--- a/webui-src/app/forums/forums.js
+++ b/webui-src/app/forums/forums.js
@@ -26,6 +26,9 @@ const getForums = {
     }
   },
 };
+//  Group lists change on the scale of a conversation, not of a frame.
+const FORUM_LIST_REFRESH_MS = 30000;
+
 const sections = {
   MyForums: require('forums/my_forums'),
   Subscribed: require('forums/subscribed_forums'),
@@ -38,7 +41,10 @@ const Layout = () => {
 
   return {
     oninit: () => {
-      rs.setBackgroundTask(getForums.load, 5000, () => {
+      //  Was every 5 s. getForumsSummaries returns the whole list every time,
+      //  and on a phone each poll is a fresh TCP handshake on a server that
+      //  answers one request at a time; the boards list already settled on 30 s.
+      rs.setBackgroundTask(getForums.load, FORUM_LIST_REFRESH_MS, () => {
         return m.route.get().includes('/forums');
       });
       peopleUtil.ownIds((data) => {
diff --git a/webui-src/app/main.js b/webui-src/app/main.js
index 5105bce..2c8b977 100644
--- a/webui-src/app/main.js
+++ b/webui-src/app/main.js
@@ -114,7 +114,7 @@ const navbar = () => {
                       ? 'Connected to RetroShare Core'
                       : 'Connection Lost',
                   }),
-                  m('span.webui-version', { style: { fontSize: '0.7em' } }, 'v142'),
+                  m('span.webui-version', { style: { fontSize: '0.7em' } }, 'v143'),
                   m('i.fas.fa-sync-alt.refresh-icon', {
                     style: { cursor: 'pointer', fontSize: '0.8em' },
                     onclick: () => window.location.reload(true),
@@ -236,7 +236,7 @@ const MobileStatus = () => {
               m('small', statusbar.formatBytes(state.totalOut)),
             ]),
           ]),
-          m('.mobile-status-sheet__version', 'WebUI v142'),
+          m('.mobile-status-sheet__version', 'WebUI v143'),
         ])),
       ];
     },