diff --git a/config.xml b/config.xml
index 6ef8e5cf3..1d98b154e 100644
--- a/config.xml
+++ b/config.xml
@@ -43,7 +43,6 @@
     <preference name="AndroidPersistentFileLocation" value="Compatibility" />
     <preference name="CustomURLSchemePluginClearsAndroidIntent" value="true" />
     <preference name="iosPersistentFileLocation" value="Compatibility" />
-    <preference name="Scheme" value="moodleappfs" />
     <preference name="iosScheme" value="moodleappfs" />
     <preference name="WKWebViewOnly" value="true" />
     <feature name="StatusBar">
diff --git a/src/addon/mod/scorm/providers/scorm.ts b/src/addon/mod/scorm/providers/scorm.ts
index a8424dc3f..b02df74fc 100644
--- a/src/addon/mod/scorm/providers/scorm.ts
+++ b/src/addon/mod/scorm/providers/scorm.ts
@@ -22,6 +22,7 @@ import { CoreSyncProvider } from '@providers/sync';
 import { CoreWSProvider } from '@providers/ws';
 import { CoreTextUtilsProvider } from '@providers/utils/text';
 import { CoreTimeUtilsProvider } from '@providers/utils/time';
+import { CoreUrlUtils } from '@providers/utils/url';
 import { CoreUtilsProvider } from '@providers/utils/utils';
 import { AddonModScormOfflineProvider } from './scorm-offline';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
@@ -1403,7 +1404,7 @@ export class AddonModScormProvider {
     protected isExternalLink(link: string): boolean {
         link = link.toLowerCase();
 
-        if (link.match(/https?:\/\//)) {
+        if (link.match(/^https?:\/\//i) && !CoreUrlUtils.instance.isLocalFileUrl(link)) {
             return true;
         } else if (link.substr(0, 4) == 'www.') {
             return true;
diff --git a/src/components/file/file.ts b/src/components/file/file.ts
index 22534fe16..5df003e25 100644
--- a/src/components/file/file.ts
+++ b/src/components/file/file.ts
@@ -162,10 +162,10 @@ export class CoreFileComponent implements OnInit, OnDestroy {
                 // Local file.
                 this.utils.openFile(this.file.toURL());
             } else if (this.fileUrl) {
-                if (this.fileUrl.indexOf('http') === 0) {
-                    this.utils.openOnlineFile(this.urlUtils.unfixPluginfileURL(this.fileUrl));
-                } else {
+                if (this.urlUtils.isLocalFileUrl(this.fileUrl)) {
                     this.utils.openFile(this.fileUrl);
+                } else {
+                    this.utils.openOnlineFile(this.urlUtils.unfixPluginfileURL(this.fileUrl));
                 }
             }
 
diff --git a/src/components/iframe/iframe.ts b/src/components/iframe/iframe.ts
index 8f7ce3b49..58e63b551 100644
--- a/src/components/iframe/iframe.ts
+++ b/src/components/iframe/iframe.ts
@@ -70,7 +70,7 @@ export class CoreIframeComponent implements OnInit, OnChanges {
         this.allowFullscreen = this.utils.isTrueOrOne(this.allowFullscreen);
 
         // Show loading only with external URLs.
-        this.loading = !this.src || !!this.src.match(/^https?:\/\//i);
+        this.loading = !this.src || !this.urlUtils.isLocalFileUrl(this.src);
 
         const navCtrl = this.svComponent ? this.svComponent.getMasterNav() : this.navCtrl;
         this.iframeUtils.treatFrame(iframe, false, navCtrl);
diff --git a/src/config.json b/src/config.json
index 0822e6f69..092153a34 100644
--- a/src/config.json
+++ b/src/config.json
@@ -95,7 +95,7 @@
     "enableanalytics": false,
     "enableonboarding": true,
     "forceColorScheme": "",
-    "webviewscheme": "moodleappfs",
+    "ioswebviewscheme": "moodleappfs",
     "appstores": {
         "android": "com.moodle.moodlemobile",
         "ios": "id633359593",
diff --git a/src/core/course/providers/helper.ts b/src/core/course/providers/helper.ts
index c94e9752e..606e913b2 100644
--- a/src/core/course/providers/helper.ts
+++ b/src/core/course/providers/helper.ts
@@ -24,6 +24,7 @@ import { CoreSitesProvider } from '@providers/sites';
 import { CoreDomUtilsProvider } from '@providers/utils/dom';
 import { CoreTextUtilsProvider } from '@providers/utils/text';
 import { CoreTimeUtilsProvider } from '@providers/utils/time';
+import { CoreUrlUtils } from '@providers/utils/url';
 import { CoreUtilsProvider } from '@providers/utils/utils';
 import { CoreCourseOptionsDelegate, CoreCourseOptionsHandlerToDisplay,
     CoreCourseOptionsMenuHandlerToDisplay } from './options-delegate';
@@ -615,7 +616,8 @@ export class CoreCourseHelperProvider {
             // File shouldn't be opened in browser. Download the module if it needs to be downloaded.
             return this.downloadModuleWithMainFileIfNeeded(module, courseId, component, componentId, files, siteId)
                     .then((result) => {
-                if (result.path.indexOf('http') === 0) {
+
+                if (!CoreUrlUtils.instance.isLocalFileUrl(result.path)) {
                     /* In iOS, if we use the same URL in embedded browser and background download then the download only
                        downloads a few bytes (cached ones). Add a hash to the URL so both URLs are different. */
                     result.path = result.path + '#moodlemobile-embedded';
diff --git a/src/directives/external-content.ts b/src/directives/external-content.ts
index 47b4c776e..a4809cef5 100644
--- a/src/directives/external-content.ts
+++ b/src/directives/external-content.ts
@@ -214,7 +214,9 @@ export class CoreExternalContentDirective implements AfterViewInit, OnChanges {
 
         }
 
-        if (!url || !url.match(/^https?:\/\//i) || (tagName === 'A' && !this.urlUtils.isDownloadableUrl(url))) {
+        if (!url || !url.match(/^https?:\/\//i) || this.urlUtils.isLocalFileUrl(url) ||
+                (tagName === 'A' && !this.urlUtils.isDownloadableUrl(url))) {
+
             this.logger.debug('Ignoring non-downloadable URL: ' + url);
             if (tagName === 'SOURCE') {
                 // Restoring original src.
@@ -244,7 +246,7 @@ export class CoreExternalContentDirective implements AfterViewInit, OnChanges {
             finalUrl = CoreFile.instance.convertFileSrc(finalUrl);
         }
 
-        if (finalUrl.match(/^https?:\/\//i)) {
+        if (!this.urlUtils.isLocalFileUrl(finalUrl)) {
             /* In iOS, if we use the same URL in embedded file and background download then the download only
                downloads a few bytes (cached ones). Add a hash to the URL so both URLs are different. */
             finalUrl = finalUrl + '#moodlemobile-embedded';
@@ -264,7 +266,7 @@ export class CoreExternalContentDirective implements AfterViewInit, OnChanges {
         }
 
         // Set events to download big files (not downloaded automatically).
-        if (finalUrl.indexOf('http') === 0 && targetAttr != 'poster' &&
+        if (!this.urlUtils.isLocalFileUrl(finalUrl) && targetAttr != 'poster' &&
             (tagName == 'VIDEO' || tagName == 'AUDIO' || tagName == 'A' || tagName == 'SOURCE')) {
             const eventName = tagName == 'A' ? 'click' : 'play';
             let clickableEl = this.element;
diff --git a/src/providers/file-helper.ts b/src/providers/file-helper.ts
index 31a2e6e70..ee3a3111d 100644
--- a/src/providers/file-helper.ts
+++ b/src/providers/file-helper.ts
@@ -21,6 +21,7 @@ import { CoreFilepoolProvider } from './filepool';
 import { CoreSitesProvider } from './sites';
 import { CoreWSProvider } from './ws';
 import { CoreDomUtilsProvider } from './utils/dom';
+import { CoreUrlUtils } from './utils/url';
 import { CoreUtilsProvider } from './utils/utils';
 import { CoreConstants } from '@core/constants';
 import { FileEntry } from '@ionic-native/file';
@@ -74,7 +75,7 @@ export class CoreFileHelperProvider {
                 return;
             }
 
-            if (url.indexOf('http') === 0) {
+            if (!CoreUrlUtils.instance.isLocalFileUrl(url)) {
                 /* In iOS, if we use the same URL in embedded browser and background download then the download only
                    downloads a few bytes (cached ones). Add a hash to the URL so both URLs are different. */
                 url = url + '#moodlemobile-embedded';
diff --git a/src/providers/file.ts b/src/providers/file.ts
index 5bc9140e8..06137afa9 100644
--- a/src/providers/file.ts
+++ b/src/providers/file.ts
@@ -1319,7 +1319,9 @@ export class CoreFileProvider {
             return src;
         }
 
-        return src.replace(CoreConfigConstants.webviewscheme + '://localhost/_app_file_', 'file://');
+        const scheme = this.platform.is('ios') ? CoreConfigConstants.ioswebviewscheme : 'http';
+
+        return src.replace(scheme + '://localhost/_app_file_', 'file://');
     }
 }
 
diff --git a/src/providers/filepool.ts b/src/providers/filepool.ts
index 0f939b65d..e26d4d15b 100644
--- a/src/providers/filepool.ts
+++ b/src/providers/filepool.ts
@@ -3179,7 +3179,7 @@ export class CoreFilepoolProvider {
 
         urls.forEach((url) => {
             // Download the file only if it's an online URL.
-            if (url.indexOf('http') == 0) {
+            if (!this.urlUtils.isLocalFileUrl(url)) {
                 promises.push(this.downloadUrl(siteId, url, false, component, componentId, 0, undefined, undefined, undefined,
                         revision).then((fileUrl) => {
 
diff --git a/src/providers/utils/iframe.ts b/src/providers/utils/iframe.ts
index 69c4251f8..df872eb49 100644
--- a/src/providers/utils/iframe.ts
+++ b/src/providers/utils/iframe.ts
@@ -26,6 +26,7 @@ import { CoreUrlUtilsProvider } from './url';
 import { CoreUtilsProvider } from './utils';
 import { CoreContentLinksHelperProvider } from '@core/contentlinks/providers/helper';
 import { makeSingleton } from '@singletons/core.singletons';
+import { CoreUrl } from '@singletons/url';
 
 /*
  * "Utils" service with helper functions for iframes, embed and similar.
@@ -54,7 +55,7 @@ export class CoreIframeUtilsProvider {
     checkOnlineFrameInOffline(element: any, isSubframe?: boolean): boolean {
         const src = element.src || element.data;
 
-        if (src && src.match(/^https?:\/\//i) && !this.appProvider.isOnline()) {
+        if (src && !this.urlUtils.isLocalFileUrl(src) && !this.appProvider.isOnline()) {
             if (element.classList.contains('core-iframe-offline-disabled')) {
                 // Iframe already hidden, stop.
                 return true;
@@ -347,13 +348,13 @@ export class CoreIframeUtilsProvider {
             return;
         }
 
-        const scheme = this.urlUtils.getUrlScheme(link.href);
-        if (!link.href || (scheme && scheme == 'javascript')) {
+        const urlParts = CoreUrl.parse(link.href);
+        if (!link.href || (urlParts.protocol && urlParts.protocol == 'javascript')) {
             // Links with no URL and Javascript links are ignored.
             return;
         }
 
-        if (!this.urlUtils.isLocalFileUrlScheme(scheme)) {
+        if (!this.urlUtils.isLocalFileUrlScheme(urlParts.protocol, urlParts.domain)) {
             // Scheme suggests it's an external resource.
             event.preventDefault();
 
diff --git a/src/providers/utils/url.ts b/src/providers/utils/url.ts
index 7700b6e18..a335d082e 100644
--- a/src/providers/utils/url.ts
+++ b/src/providers/utils/url.ts
@@ -17,6 +17,7 @@ import { CoreLangProvider } from '../lang';
 import { CoreTextUtilsProvider } from './text';
 import { makeSingleton } from '@singletons/core.singletons';
 import { CoreConfigConstants } from '../../configconstants';
+import { CoreUrl } from '@singletons/url';
 
 /*
  * "Utils" service with helper functions for URLs.
@@ -432,17 +433,28 @@ export class CoreUrlUtilsProvider {
      * @return Whether the URL belongs to a local file.
      */
     isLocalFileUrl(url: string): boolean {
-        return this.isLocalFileUrlScheme(this.getUrlScheme(url));
+        const urlParts = CoreUrl.parse(url);
+
+        return this.isLocalFileUrlScheme(urlParts.protocol, urlParts.domain);
     }
 
     /**
      * Check whether a URL scheme belongs to a local file.
      *
      * @param scheme Scheme to check.
+     * @param domain The domain. Needed because in Android the WebView scheme is http.
      * @return Whether the scheme belongs to a local file.
      */
-    isLocalFileUrlScheme(scheme: string): boolean {
-        return scheme == 'cdvfile' || scheme == 'file' || scheme == 'filesystem' || scheme == CoreConfigConstants.webviewscheme;
+    isLocalFileUrlScheme(scheme: string, domain: string): boolean {
+        if (scheme) {
+            scheme = scheme.toLowerCase();
+        }
+
+        return scheme == 'cdvfile' ||
+                scheme == 'file' ||
+                scheme == 'filesystem' ||
+                scheme == CoreConfigConstants.ioswebviewscheme ||
+                (scheme == 'http' && domain == 'localhost');
     }
 
     /**