diff --git a/ui-ngx/src/app/core/http/device-profile.service.ts b/ui-ngx/src/app/core/http/device-profile.service.ts
index f5c5625ba2..729ba7869b 100644
--- a/ui-ngx/src/app/core/http/device-profile.service.ts
+++ b/ui-ngx/src/app/core/http/device-profile.service.ts
@@ -98,10 +98,10 @@ export class DeviceProfileService {
           text += this.translate.instant('ota-update.change-firmware', {count: deviceFirmwareUpdate});
         }
         if (deviceSoftwareUpdate > 0) {
-          text += text.length ? '<br/>' : '';
+          text += text.length ? ' ' : '';
           text += this.translate.instant('ota-update.change-software', {count: deviceSoftwareUpdate});
         }
-        return text !== '' ? this.dialogService.confirm('', text) : of(true);
+        return text !== '' ? this.dialogService.confirm('', text, null, this.translate.instant('common.proceed')) : of(true);
       }),
       mergeMap((update) => update ? this.saveDeviceProfile(deviceProfile, config) : throwError('Canceled saving device profiles')));
   }
diff --git a/ui-ngx/src/app/modules/home/pages/ota-update/ota-update-table-config.resolve.ts b/ui-ngx/src/app/modules/home/pages/ota-update/ota-update-table-config.resolve.ts
index b22d43da46..d56b4e4541 100644
--- a/ui-ngx/src/app/modules/home/pages/ota-update/ota-update-table-config.resolve.ts
+++ b/ui-ngx/src/app/modules/home/pages/ota-update/ota-update-table-config.resolve.ts
@@ -35,6 +35,10 @@ import { PageLink } from '@shared/models/page/page-link';
 import { OtaUpdateComponent } from '@home/pages/ota-update/ota-update.component';
 import { EntityAction } from '@home/models/entity/entity-component.models';
 import { FileSizePipe } from '@shared/pipe/file-size.pipe';
+import { ClipboardService } from 'ngx-clipboard';
+import { ActionNotificationShow } from '@core/notification/notification.actions';
+import { Store } from '@ngrx/store';
+import { AppState } from '@core/core.state';
 
 @Injectable()
 export class OtaUpdateTableConfigResolve implements Resolve<EntityTableConfig<OtaPackage, PageLink, OtaPackageInfo>> {
@@ -44,8 +48,10 @@ export class OtaUpdateTableConfigResolve implements Resolve<EntityTableConfig<Ot
 
   constructor(private translate: TranslateService,
               private datePipe: DatePipe,
+              private store: Store<AppState>,
               private otaPackageService: OtaPackageService,
-              private fileSize: FileSizePipe) {
+              private fileSize: FileSizePipe,
+              private clipboardService: ClipboardService) {
     this.config.entityType = EntityType.OTA_PACKAGE;
     this.config.entityComponent = OtaUpdateComponent;
     this.config.entityTranslations = entityTypeTranslations.get(EntityType.OTA_PACKAGE);
@@ -62,14 +68,20 @@ export class OtaUpdateTableConfigResolve implements Resolve<EntityTableConfig<Ot
       }),
       new EntityTableColumn<OtaPackageInfo>('fileName', 'ota-update.file-name', '25%'),
       new EntityTableColumn<OtaPackageInfo>('dataSize', 'ota-update.file-size', '70px', entity => {
-        return this.fileSize.transform(entity.dataSize || 0);
+        return entity.dataSize ? this.fileSize.transform(entity.dataSize) : '';
       }),
       new EntityTableColumn<OtaPackageInfo>('checksum', 'ota-update.checksum', '540px', entity => {
-        return `${ChecksumAlgorithmTranslationMap.get(entity.checksumAlgorithm)}: ${entity.checksum}`;
+        return entity.checksum ? `${ChecksumAlgorithmTranslationMap.get(entity.checksumAlgorithm)}: ${entity.checksum}` : '';
       }, () => ({}), false)
     );
 
     this.config.cellActionDescriptors.push(
+      {
+        name: this.translate.instant('ota-update.copy-checksum'),
+        icon: 'content_copy',
+        isEnabled: (otaPackage) => !!otaPackage.checksum,
+        onAction: ($event, entity) => this.copyPackageChecksum($event, entity)
+      },
       {
         name: this.translate.instant('ota-update.download'),
         icon: 'file_download',
@@ -101,7 +113,26 @@ export class OtaUpdateTableConfigResolve implements Resolve<EntityTableConfig<Ot
     if ($event) {
       $event.stopPropagation();
     }
-    this.otaPackageService.downloadOtaPackage(otaPackageInfo.id.id).subscribe();
+    if (otaPackageInfo.url) {
+      window.open(otaPackageInfo.url, '_blank');
+    } else {
+      this.otaPackageService.downloadOtaPackage(otaPackageInfo.id.id).subscribe();
+    }
+  }
+
+  copyPackageChecksum($event: Event, otaPackageInfo: OtaPackageInfo) {
+    if ($event) {
+      $event.stopPropagation();
+    }
+    this.clipboardService.copy(otaPackageInfo?.checksum);
+    this.store.dispatch(new ActionNotificationShow(
+      {
+        message: this.translate.instant('ota-update.checksum-copied-message'),
+        type: 'success',
+        duration: 750,
+        verticalPosition: 'bottom',
+        horizontalPosition: 'right'
+      }));
   }
 
   onPackageAction(action: EntityAction<OtaPackageInfo>): boolean {
@@ -109,6 +140,9 @@ export class OtaUpdateTableConfigResolve implements Resolve<EntityTableConfig<Ot
       case 'uploadPackage':
         this.exportPackage(action.event, action.entity);
         return true;
+      case 'copyChecksum':
+        this.copyPackageChecksum(action.event, action.entity);
+        return true;
     }
     return false;
   }
diff --git a/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.html b/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.html
index 8ea3a19801..ce815b3dae 100644
--- a/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.html
+++ b/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.html
@@ -31,6 +31,7 @@
   <div fxLayout="row" fxLayout.xs="column">
     <button mat-raised-button
             ngxClipboard
+            [disabled]="(isLoading$ | async)"
             (cbOnSuccess)="onPackageIdCopied()"
             [cbContent]="entity?.id?.id"
             [fxShow]="!isEdit">
@@ -38,10 +39,9 @@
       <span translate>ota-update.copyId</span>
     </button>
     <button mat-raised-button
-            ngxClipboard
-            (cbOnSuccess)="onPackageChecksumCopied()"
-            [cbContent]="entity?.checksum"
-            [fxShow]="!isEdit">
+            [disabled]="(isLoading$ | async)"
+            (click)="onEntityAction($event, 'copyChecksum')"
+            [fxShow]="!isEdit && entity?.checksum">
       <mat-icon svgIcon="mdi:clipboard-arrow-left"></mat-icon>
       <span translate>ota-update.copy-checksum</span>
     </button>
@@ -49,7 +49,7 @@
 </div>
 <div class="mat-padding" fxLayout="column" fxLayoutGap="8px">
   <form [formGroup]="entityForm">
-    <fieldset [disabled]="(isLoading$ | async) || !isEdit" fxLayout="column" fxLayoutGap="8px">
+    <fieldset [disabled]="(isLoading$ | async) || !isEdit" fxLayout="column">
       <div fxLayout="row" fxLayoutGap.gt-xs="8px" fxLayout.xs="column">
         <mat-form-field class="mat-block" fxFlex="45">
           <mat-label translate>ota-update.title</mat-label>
@@ -83,44 +83,68 @@
           </mat-option>
         </mat-select>
       </mat-form-field>
-      <div class="mat-caption" translate *ngIf="isAdd">ota-update.warning-after-save-no-edit</div>
-      <div fxLayout="row" fxLayoutGap.gt-xs="8px" fxLayoutGap.sm="8px" fxLayout.xs="column" fxLayout.md="column">
-        <mat-form-field class="mat-block" fxFlex="33">
-          <mat-label translate>ota-update.checksum-algorithm</mat-label>
-          <mat-select formControlName="checksumAlgorithm">
-            <mat-option *ngFor="let checksumAlgorithm of checksumAlgorithms" [value]="checksumAlgorithm">
-              {{ checksumAlgorithmTranslationMap.get(checksumAlgorithm) }}
-            </mat-option>
-          </mat-select>
-        </mat-form-field>
-        <mat-form-field class="mat-block" fxFlex>
-          <mat-label translate>ota-update.checksum</mat-label>
-          <input matInput formControlName="checksum" type="text" [readonly]="!isAdd">
-        </mat-form-field>
-      </div>
       <section *ngIf="isAdd">
-        <tb-file-input
-          formControlName="file"
-          workFromFileObj="true"
-          required
-          dropLabel="{{'ota-update.drop-file' | translate}}">
-        </tb-file-input>
+        <div class="mat-caption" style="margin: -8px 0 8px;" translate>ota-update.warning-after-save-no-edit</div>
+        <mat-radio-group formControlName="resource" fxLayoutGap="16px">
+          <mat-radio-button value="file">Upload binary file</mat-radio-button>
+          <mat-radio-button value="url">Use external URL</mat-radio-button>
+        </mat-radio-group>
       </section>
-      <section *ngIf="!isAdd">
-        <div fxLayout="row" fxLayoutGap.gt-md="8px" fxLayoutGap.sm="8px" fxLayout.xs="column" fxLayout.md="column">
+      <section *ngIf="entityForm.get('resource').value === 'file'">
+        <section *ngIf="isAdd">
+          <tb-file-input
+            formControlName="file"
+            workFromFileObj="true"
+            [required]="entityForm.get('resource').value === 'file'"
+            dropLabel="{{'ota-update.drop-file' | translate}}">
+          </tb-file-input>
+          <mat-checkbox formControlName="generateChecksum" style="margin-top: 16px">
+            {{ 'ota-update.auto-generate-checksum' | translate }}
+          </mat-checkbox>
+        </section>
+        <div fxLayout="row" fxLayoutGap.gt-xs="8px" fxLayoutGap.sm="8px"
+             fxLayout.xs="column" fxLayout.md="column" *ngIf="!(isAdd && this.entityForm.get('generateChecksum').value)">
           <mat-form-field class="mat-block" fxFlex="33">
-            <mat-label translate>ota-update.file-name</mat-label>
-            <input matInput formControlName="fileName" type="text" readonly>
+            <mat-label translate>ota-update.checksum-algorithm</mat-label>
+            <mat-select formControlName="checksumAlgorithm">
+              <mat-option *ngFor="let checksumAlgorithm of checksumAlgorithms" [value]="checksumAlgorithm">
+                {{ checksumAlgorithmTranslationMap.get(checksumAlgorithm) }}
+              </mat-option>
+            </mat-select>
           </mat-form-field>
           <mat-form-field class="mat-block" fxFlex>
-            <mat-label translate>ota-update.file-size-bytes</mat-label>
-            <input matInput formControlName="dataSize" type="text" readonly>
-          </mat-form-field>
-          <mat-form-field class="mat-block" fxFlex>
-            <mat-label translate>ota-update.content-type</mat-label>
-            <input matInput formControlName="contentType" type="text" readonly>
+            <mat-label translate>ota-update.checksum</mat-label>
+            <input matInput formControlName="checksum" type="text">
+            <mat-hint *ngIf="isAdd" translate>ota-update.checksum-hint</mat-hint>
           </mat-form-field>
         </div>
+        <section *ngIf="!isAdd">
+          <div fxLayout="row" fxLayoutGap.gt-md="8px" fxLayoutGap.sm="8px" fxLayout.xs="column" fxLayout.md="column">
+            <mat-form-field class="mat-block" fxFlex="33">
+              <mat-label translate>ota-update.file-name</mat-label>
+              <input matInput formControlName="fileName" type="text">
+            </mat-form-field>
+            <mat-form-field class="mat-block" fxFlex>
+              <mat-label translate>ota-update.file-size-bytes</mat-label>
+              <input matInput formControlName="dataSize" type="text">
+            </mat-form-field>
+            <mat-form-field class="mat-block" fxFlex>
+              <mat-label translate>ota-update.content-type</mat-label>
+              <input matInput formControlName="contentType" type="text">
+            </mat-form-field>
+          </div>
+        </section>
+      </section>
+      <section *ngIf="entityForm.get('resource').value === 'url'" style="margin-top: 8px">
+        <mat-form-field class="mat-block">
+          <mat-label translate>ota-update.url</mat-label>
+          <input matInput formControlName="url"
+                 type="text"
+                 [required]="entityForm.get('resource').value === 'url'">
+          <mat-error *ngIf="entityForm.get('url').hasError('required')" translate>
+            ota-update.url-required
+          </mat-error>
+        </mat-form-field>
       </section>
       <div formGroupName="additionalInfo">
         <mat-form-field class="mat-block">
diff --git a/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.ts b/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.ts
index fd4cd7ae27..42e0ffc33c 100644
--- a/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.ts
+++ b/ui-ngx/src/app/modules/home/pages/ota-update/ota-update.component.ts
@@ -30,6 +30,8 @@ import {
   OtaUpdateTypeTranslationMap
 } from '@shared/models/ota-package.models';
 import { ActionNotificationShow } from '@core/notification/notification.actions';
+import { filter, takeUntil } from 'rxjs/operators';
+import { isNotEmptyStr } from '@core/utils';
 
 @Component({
   selector: 'tb-ota-update',
@@ -52,6 +54,26 @@ export class OtaUpdateComponent extends EntityComponent<OtaPackage> implements O
     super(store, fb, entityValue, entitiesTableConfigValue);
   }
 
+  ngOnInit() {
+    super.ngOnInit();
+    this.entityForm.get('resource').valueChanges.pipe(
+      filter(() => this.isAdd),
+      takeUntil(this.destroy$)
+    ).subscribe((resource) => {
+      if (resource === 'file') {
+        this.entityForm.get('url').clearValidators();
+        this.entityForm.get('file').setValidators(Validators.required);
+        this.entityForm.get('url').updateValueAndValidity({emitEvent: false});
+        this.entityForm.get('file').updateValueAndValidity({emitEvent: false});
+      } else {
+        this.entityForm.get('file').clearValidators();
+        this.entityForm.get('url').setValidators(Validators.required);
+        this.entityForm.get('file').updateValueAndValidity({emitEvent: false});
+        this.entityForm.get('url').updateValueAndValidity({emitEvent: false});
+      }
+    });
+  }
+
   ngOnDestroy() {
     super.ngOnDestroy();
     this.destroy$.next();
@@ -74,6 +96,8 @@ export class OtaUpdateComponent extends EntityComponent<OtaPackage> implements O
       deviceProfileId: [entity ? entity.deviceProfileId : null, Validators.required],
       checksumAlgorithm: [entity && entity.checksumAlgorithm ? entity.checksumAlgorithm : ChecksumAlgorithm.SHA256],
       checksum: [entity ? entity.checksum : '', Validators.maxLength(1020)],
+      url: [entity ? entity.url : ''],
+      resource: ['file'],
       additionalInfo: this.fb.group(
         {
           description: [entity && entity.additionalInfo ? entity.additionalInfo.description : ''],
@@ -82,6 +106,7 @@ export class OtaUpdateComponent extends EntityComponent<OtaPackage> implements O
     });
     if (this.isAdd) {
       form.addControl('file', this.fb.control(null, Validators.required));
+      form.addControl('generateChecksum', this.fb.control(true));
     } else {
       form.addControl('fileName', this.fb.control(null));
       form.addControl('dataSize', this.fb.control(null));
@@ -101,6 +126,8 @@ export class OtaUpdateComponent extends EntityComponent<OtaPackage> implements O
       fileName: entity.fileName,
       dataSize: entity.dataSize,
       contentType: entity.contentType,
+      url: entity.url,
+      resource: isNotEmptyStr(entity.url) ? 'url' : 'file',
       additionalInfo: {
         description: entity.additionalInfo ? entity.additionalInfo.description : ''
       }
@@ -108,8 +135,6 @@ export class OtaUpdateComponent extends EntityComponent<OtaPackage> implements O
     if (!this.isAdd && this.entityForm.enabled) {
       this.entityForm.disable({emitEvent: false});
       this.entityForm.get('additionalInfo').enable({emitEvent: false});
-      // this.entityForm.get('dataSize').disable({emitEvent: false});
-      // this.entityForm.get('contentType').disable({emitEvent: false});
     }
   }
 
@@ -124,14 +149,9 @@ export class OtaUpdateComponent extends EntityComponent<OtaPackage> implements O
       }));
   }
 
-  onPackageChecksumCopied() {
-    this.store.dispatch(new ActionNotificationShow(
-      {
-        message: this.translate.instant('ota-update.checksum-copied-message'),
-        type: 'success',
-        duration: 750,
-        verticalPosition: 'bottom',
-        horizontalPosition: 'right'
-      }));
+  prepareFormValue(formValue: any): any {
+    delete formValue.resource;
+    delete formValue.generateChecksum;
+    return super.prepareFormValue(formValue);
   }
 }
diff --git a/ui-ngx/src/app/shared/models/ota-package.models.ts b/ui-ngx/src/app/shared/models/ota-package.models.ts
index 22efc881b0..b6fecfc2c5 100644
--- a/ui-ngx/src/app/shared/models/ota-package.models.ts
+++ b/ui-ngx/src/app/shared/models/ota-package.models.ts
@@ -87,6 +87,7 @@ export interface OtaPackageInfo extends BaseData<OtaPackageId> {
   title?: string;
   version?: string;
   hasData?: boolean;
+  url?: string;
   fileName: string;
   checksum?: string;
   checksumAlgorithm?: ChecksumAlgorithm;
diff --git a/ui-ngx/src/assets/locale/locale.constant-en_US.json b/ui-ngx/src/assets/locale/locale.constant-en_US.json
index b4f8c32101..732535dafe 100644
--- a/ui-ngx/src/assets/locale/locale.constant-en_US.json
+++ b/ui-ngx/src/assets/locale/locale.constant-en_US.json
@@ -575,7 +575,8 @@
         "enter-password": "Enter password",
         "enter-search": "Enter search",
         "created-time": "Created time",
-        "loading": "Loading..."
+        "loading": "Loading...",
+        "proceed": "Proceed"
     },
     "content-type": {
         "json": "Json",
@@ -2152,12 +2153,14 @@
       "assign-firmware-required": "Assigned firmware is required",
       "assign-software": "Assigned software",
       "assign-software-required": "Assigned software is required",
+      "auto-generate-checksum": "Auto-generate checksum",
       "checksum": "Checksum",
+      "checksum-hint": "If checksum is empty, it will be generated automatically",
       "checksum-algorithm": "Checksum algorithm",
       "checksum-copied-message": "Package checksum has been copied to clipboard",
-      "change-firmware": "You have changed the firmware. This may cause update of the { count, plural, 1 {1 device} other {# devices} }.",
-      "change-software": "You have changed the software. This may cause update of the { count, plural, 1 {1 device} other {# devices} }.",
-      "chose-compatible-device-profile": "Choose compatible device profile. The uploaded package will be available only for devices with the chosen profile.",
+      "change-firmware": "Change of the firmware may cause update of { count, plural, 1 {1 device} other {# devices} }.",
+      "change-software": "Change of the software may cause update of { count, plural, 1 {1 device} other {# devices} }.",
+      "chose-compatible-device-profile": "The uploaded package will be available only for devices with the chosen profile.",
       "chose-firmware-distributed-device": "Choose firmware that will be distributed to the devices",
       "chose-software-distributed-device": "Choose software that will be distributed to the devices",
       "content-type": "Content type",
@@ -2193,6 +2196,8 @@
         "firmware": "Firmware",
         "software": "Software"
       },
+      "url": "Direct URL",
+      "url-required": "Direct URL is required",
       "version": "Version",
       "version-required": "Version is required.",
       "warning-after-save-no-edit": "Once the package is uploaded, you will not be able to modify title, version, device profile and package type."