diff --git a/pb_public/index.html b/pb_public/index.html
index 13fe39a..9d9200b 100644
--- a/pb_public/index.html
+++ b/pb_public/index.html
@@ -1111,15 +1111,44 @@ $("adUnlock").onclick=async function(){
   $("acChange").disabled=false;
 };
 
+// One account, one set of sources. The app used to keep a copy per profile,
+// so an account that ever switched profile holds several copies that drifted
+// apart: sources edited here reached only the first, and a child profile went
+// on without webshare. Read every copy and show one answer. The newest value
+// wins per field, except the Czech addon URL, where the longer one wins: it is
+// the one that carries webshare's credentials as well as prehraj.to's.
+function mergeConfigs(list){
+  var sorted=list.slice().sort(function(a,b){
+    return String(b.updatedAt||"").localeCompare(String(a.updatedAt||"")); });
+  var out={};
+  sorted.forEach(function(e){
+    Object.keys(e.cfg||{}).forEach(function(k){
+      var v=e.cfg[k];
+      if ((out[k]==null || out[k]==="") && v!=null && v!=="") out[k]=v;
+    });
+  });
+  var longest="";
+  list.forEach(function(e){
+    var u=(e.cfg||{}).czechAddonUrl||"";
+    if (u.length>longest.length) longest=u;
+  });
+  if (longest) out.czechAddonUrl=longest;
+  return out;
+}
+
 async function loadAddons(){
   var r=await api("GET","/api/collections/addon_config/records?perPage=200");
   CONFIGS = r.ok ? (r.data.items||[]) : [];
   cfgRec = CONFIGS[0] || null;
   cfg=null;
-  if (cfgRec){
-    try { cfg=JSON.parse(await decryptBlob(cfgRec.blob, PASSWORD, cfgRec.salt)); }
-    catch(_){ cfg=null; }
+  var opened=[];
+  for (var i=0;i<CONFIGS.length;i++){
+    try {
+      opened.push({ cfg: JSON.parse(await decryptBlob(CONFIGS[i].blob, PASSWORD, CONFIGS[i].salt)),
+                    updatedAt: CONFIGS[i].updatedAt });
+    } catch(_){}
   }
+  if (opened.length) cfg=mergeConfigs(opened);
   var configured = cfg && (cfg.addonUrl || cfg.czechAddonUrl);
   $("adSetup").className = configured ? "hidden" : "";
   $("adEdit").className  = configured ? "" : "hidden";
@@ -1222,24 +1251,36 @@ $("byGo").onclick=async function(){
   await saveConfig(out, $("byGo"));
 };
 
+// The same sources go to every profile's copy, and a profile without one gets
+// one: a device reads the copy of whichever profile it is on, and an older app
+// that found none would make its own from whatever it had.
 async function saveConfig(next, btn){
-  var merged=Object.assign({}, cfg||{}, next);
+  if (!PROFILES.length && !CONFIGS.length){ setMsg($("adMsg"),"Účet nemá profil.","err");
+    if(btn) busy(btn,false); return; }
+  var plain=JSON.stringify(Object.assign({}, cfg||{}, next));
+  var now=new Date().toISOString();
+  var wrote=0, failed=0, covered={};
+  for (var i=0;i<CONFIGS.length;i++){
+    var rec=CONFIGS[i];
+    covered[rec.profile]=true;
+    var pr=await api("PATCH","/api/collections/addon_config/records/"+rec.id,
+      { blob:await encryptWithSalt(plain, PASSWORD, rec.salt), salt:rec.salt,
+        kdf:KDF_ID, updatedAt:now });
+    if (pr.ok) wrote++; else failed++;
+  }
   var salt=(cfgRec && cfgRec.salt) || newSaltB64();
-  var blob=await encryptWithSalt(JSON.stringify(merged), PASSWORD, salt);
-  var body={ blob:blob, salt:salt, kdf:KDF_ID, updatedAt:new Date().toISOString() };
-  var r;
-  if (cfgRec){
-    r=await api("PATCH","/api/collections/addon_config/records/"+cfgRec.id, body);
-  } else {
-    if (!PROFILES.length){ setMsg($("adMsg"),"Účet nemá profil.","err");
-      if(btn) busy(btn,false); return; }
-    body.profile=PROFILES[0].id;
-    r=await api("POST","/api/collections/addon_config/records", body);
+  for (var j=0;j<PROFILES.length;j++){
+    if (covered[PROFILES[j].id]) continue;
+    var cr=await api("POST","/api/collections/addon_config/records",
+      { profile:PROFILES[j].id, blob:await encryptWithSalt(plain, PASSWORD, salt),
+        salt:salt, kdf:KDF_ID, updatedAt:now });
+    if (cr.ok) wrote++; else failed++;
   }
   if(btn) busy(btn,false);
-  setMsg($("adMsg"), r.ok ? "Zdroje uloženy. Aplikace si je stáhne sama."
-                          : "Uložení selhalo.", r.ok?"ok":"err");
-  if (r.ok) await loadAddons();
+  var ok = wrote>0 && failed===0;
+  setMsg($("adMsg"), ok ? "Zdroje uloženy. Aplikace si je stáhne sama."
+                        : "Uložení selhalo.", ok?"ok":"err");
+  if (wrote>0) await loadAddons();
 }
 
 $("adSave").onclick=async function(){