diff --git a/src/App.svelte b/src/App.svelte
index 232279a..f68393e 100644
--- a/src/App.svelte
+++ b/src/App.svelte
@@ -23,7 +23,7 @@
 
   //****************************************************constants section*********************************************************/
   //******************************************************************************************************************************/
-  let version = 404;
+  let version = 405;
   let debug = true;
   let LOG_MAX_MESSAGES = 10;
   let reconnectTimeout = 20000;
@@ -33,8 +33,8 @@
 
   //****************************************************variable section**********************************************************/
   //******************************************************************************************************************************/
-  //let myip = document.location.hostname;
-  let myip = "192.168.88.224";
+  let myip = document.location.hostname;
+  //let myip = "192.168.8.127";
 
   //Flags
   let firstDevListRequest = true;
@@ -53,6 +53,10 @@
   let listReady = false;
   let systemReady = false;
 
+  //update esp
+  let versionsList = {};
+  let choosingVersion = undefined;
+
   //configuration
   let configJson = [];
   let configJsonFlag = false;
@@ -459,8 +463,9 @@
       if (debug) console.log("✔✔", "list data parced");
       listReady = true;
     }
-    if (currentPageName === "/system|" && errorsJsonParced) {
+    if (currentPageName === "/system|" && errorsJsonParced && settingsJsonParced) {
       clearParcedFlags();
+      getVersionsList();
       if (debug) console.log("✔✔", "system data parced");
       systemReady = true;
     }
@@ -850,14 +855,18 @@
   }
 
   async function getRequestJson(url) {
-    let res = await fetch(url, {
-      mode: "no-cors",
-      method: "GET",
-    });
-    if (res.ok) {
-      configSetupJson = await res.json();
-    } else {
-      console.log("error", res.status);
+    try {
+      let res = await fetch(url, {
+        mode: "no-cors",
+        method: "GET",
+      });
+      if (res.ok) {
+        configSetupJson = await res.json();
+      } else {
+        console.log("error", res.status);
+      }
+    } catch (e) {
+      console.log(e);
     }
   }
 
@@ -909,6 +918,52 @@
     wsSendMsg(selectedWs, '/rorre|{"' + alarmKey + '":0}');
   }
 
+  //************************************************update esp firm************************************************************//
+
+  async function getVersionsList() {
+    try {
+      let url = settingsJson.serverip + "/iotm/ver.json";
+      console.log("url", url);
+      let res = await fetch(url, {
+        mode: "cors",
+        method: "GET",
+      });
+      if (res.ok) {
+        versionsList = await res.json();
+        versionsList = versionsList[errorsJson.bn];
+        choosingVersion = errorsJson.bver;
+        console.log(JSON.stringify(versionsList));
+      } else {
+        choosingVersion = undefined;
+        console.log("error, versions list not received", res.statusText);
+      }
+    } catch (e) {
+      choosingVersion = undefined;
+      console.log("error, versions list not received");
+      console.log(e);
+    }
+  }
+
+  function startUpdate() {
+    if (choosingVersion !== undefined) {
+      if (choosingVersion === errorsJson.bver) {
+        window.alert("Эта версия уже установленна");
+      } else {
+        if (confirm("Запустить обновление?")) {
+          console.log("start update...");
+          //запишем выбранную версию в файл на esp
+          wsSendMsg(selectedWs, '/rorre|{"chver":' + choosingVersion + "}");
+          //начнем обновление
+          wsSendMsg(selectedWs, "/update|");
+        } else {
+          console.log("update canceled");
+        }
+      }
+    } else {
+      window.alert("Версия не выбрана или сервер недоступен");
+    }
+  }
+
   //*******************************************************initialisation********************************************************************/
   onMount(async () => {
     console.log("[i]", "mounted");
@@ -997,7 +1052,7 @@
             <ListPage show={listReady} deviceList={deviceList} showInput={showInput} addDevInList={() => addDevInList()} newDevice={newDevice} sendToAllDevices={(msg) => sendToAllDevices(msg)} />
           </Route>
           <Route path="/system">
-            <SystemPage show={systemReady} errorsJson={errorsJson} rebootEsp={() => rebootEsp()} cancelAlarm={(alarmKey) => cancelAlarm(alarmKey)} version={version} />
+            <SystemPage show={systemReady} errorsJson={errorsJson} rebootEsp={() => rebootEsp()} cancelAlarm={(alarmKey) => cancelAlarm(alarmKey)} version={version} versionsList={versionsList} bind:choosingVersion startUpdate={() => startUpdate()} />
           </Route>
 
           <!--<Route path="/utilities">-->
diff --git a/src/pages/Config.svelte b/src/pages/Config.svelte
index c2d5644..e7f30b5 100644
--- a/src/pages/Config.svelte
+++ b/src/pages/Config.svelte
@@ -114,8 +114,10 @@
           {/each}
         </tbody>
       </table>
-      <button class="btn-lg mb-2" on:click={() => saveConfig()}>{"Сохранить"}</button>
-      <button class="btn-lg mb-2" on:click={() => rebootEsp()}>{"Перезагрузить"}</button>
+      <div class="grd-2col1">
+        <button class="btn-lg" on:click={() => saveConfig()}>{"Сохранить"}</button>
+        <button class="btn-lg" on:click={() => rebootEsp()}>{"Перезагрузить"}</button>
+      </div>
     </Card>
   </div>
 {:else}
diff --git a/src/pages/Connection.svelte b/src/pages/Connection.svelte
index b974c10..4b3cac8 100644
--- a/src/pages/Connection.svelte
+++ b/src/pages/Connection.svelte
@@ -63,6 +63,14 @@
           <input bind:value={settingsJson.routerpass} class="ipt-rnd text-left focus:border-indigo-500" type="text" />
         </div>
       </div>
+      <div class="crd-itm-psn">
+        <div class="w-4/6">
+          <p class="wgt-dscr-stl">Сервер обновления</p>
+        </div>
+        <div class="flex justify-end w-3/6">
+          <input bind:value={settingsJson.serverip} class="ipt-rnd text-left focus:border-indigo-500" type="text" />
+        </div>
+      </div>
       {#if errorsJson.passer === 1}
         <div class="grd-1col1">
           <Alarm title="Введен неправильный пароль" />
diff --git a/src/pages/List.svelte b/src/pages/List.svelte
index df8e59d..e953a0f 100644
--- a/src/pages/List.svelte
+++ b/src/pages/List.svelte
@@ -62,8 +62,10 @@
           {/if}
         </tbody>
       </table>
-      <button class="btn-lg mb-2" on:click={() => ((showInput = !showInput), addDevInList())}>{showInput ? "Сохранить" : "Добавить устройство"}</button>
-      <button class="btn-lg" on:click={(msg) => sendToAllDevices("/reboot|")}>{"Перезагрузить все устройства"}</button>
+      <div class="grd-2col1">
+        <button class="btn-lg" on:click={() => ((showInput = !showInput), addDevInList())}>{showInput ? "Сохранить" : "Добавить устройство"}</button>
+        <button class="btn-lg" on:click={(msg) => sendToAllDevices("/reboot|")}>{"Перезагрузить все устройства"}</button>
+      </div>
     </Card>
     <Alarm>
       <p>Прошитые прошивкой IoT Manager устройства появятся в списке автоматически в течении минуты. Для обновления названий устройств нужно обновить страницу. Устройства должны быть подключены к одному wifi роутеру.</p>
diff --git a/src/pages/System.svelte b/src/pages/System.svelte
index 2795e58..0fc3964 100644
--- a/src/pages/System.svelte
+++ b/src/pages/System.svelte
@@ -123,8 +123,14 @@
   export let version;
 
   export let errorsJson;
+
   export let rebootEsp = () => {};
 
+  export let versionsList;
+  export let choosingVersion;
+
+  export let startUpdate = () => {};
+
   export let show;
 
   export let cancelAlarm = (alarmKey) => {};
@@ -141,6 +147,20 @@
           <p class="text-gray-500 font-bold">{errorsJson.bn}</p>
         </div>
       </div>
+      <div class="crd-itm-psn">
+        <div class="w-3/4">
+          <p class="wgt-dscr-stl">Версии прошивки на сервере</p>
+        </div>
+        <div class="flex justify-center w-1/4">
+          <select class="border border-indigo-500 border-4" bind:value={choosingVersion}>
+            {#each Object.entries(versionsList) as [key, param]}
+              <option value={param}>
+                {param}
+              </option>
+            {/each}
+          </select>
+        </div>
+      </div>
       <div class="crd-itm-psn">
         <div class="w-3/4">
           <p class="wgt-dscr-stl">Версия прошивки</p>
@@ -236,7 +256,10 @@
   </div>
   <div class="grd-1col1">
     <Card>
-      <button class="btn-lg" on:click={() => rebootEsp()}>{"Перезагрузить устройство"}</button>
+      <div class="grd-2col1">
+        <button class="btn-lg" on:click={() => startUpdate()}>{"Обновить прошивку"}</button>
+        <button class="btn-lg" on:click={() => rebootEsp()}>{"Перезагрузить устройство"}</button>
+      </div>
     </Card>
   </div>
 {:else}