diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ad1c2fbd1..d7442f8f86 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ This is the log of notable changes to EAS CLI and related packages.
 
 ### 🎉 New features
 
+- Warn for misconfigured channel configuration when using EAS Update. ([#1082](https://github.com/expo/eas-cli/pull/1082)) by [@kbrandwijk](https://github.com/kbrandwijk))
+
 ### 🐛 Bug fixes
 
 - Rebind `console.info` correctly after `ora` instance stops. ([#1113](https://github.com/expo/eas-cli/pull/1113) by [@EvanBacon](https://github.com/EvanBacon))
diff --git a/packages/eas-cli/src/build/runBuildAndSubmit.ts b/packages/eas-cli/src/build/runBuildAndSubmit.ts
index 6f2f4e60fa..26183f3336 100644
--- a/packages/eas-cli/src/build/runBuildAndSubmit.ts
+++ b/packages/eas-cli/src/build/runBuildAndSubmit.ts
@@ -40,6 +40,7 @@ import {
   waitToCompleteAsync as waitForSubmissionsToCompleteAsync,
 } from '../submit/submit';
 import { printSubmissionDetailsUrls } from '../submit/utils/urls';
+import { checkBuildProfileConfigMatchesProjectConfigAsync } from '../update/utils';
 import { printJsonOnlyOutput } from '../utils/json';
 import { ProfileData, getProfilesAsync } from '../utils/profiles';
 import { getVcsClient } from '../vcs';
@@ -121,6 +122,12 @@ export async function runBuildAndSubmitAsync(projectDir: string, flags: BuildFla
   }[] = [];
   const buildCtxByPlatform: { [p in AppPlatform]?: BuildContext<Platform> } = {};
 
+  // Check only first buildprofile (there should be only one unique one)
+  // Warn only once
+  if (buildProfiles.length > 0) {
+    await checkBuildProfileConfigMatchesProjectConfigAsync(projectDir, buildProfiles[0]);
+  }
+
   for (const buildProfile of buildProfiles) {
     const { build: maybeBuild, buildCtx } = await prepareAndStartBuildAsync({
       projectDir,
diff --git a/packages/eas-cli/src/commands/update/configure.ts b/packages/eas-cli/src/commands/update/configure.ts
index 8feb494eef..3a5321f5e1 100644
--- a/packages/eas-cli/src/commands/update/configure.ts
+++ b/packages/eas-cli/src/commands/update/configure.ts
@@ -1,8 +1,10 @@
 import { ExpoConfig, modifyConfigAsync } from '@expo/config';
 import { Platform, Workflow } from '@expo/eas-build-job';
+import { EasJsonReader } from '@expo/eas-json';
 import { Flags } from '@oclif/core';
 import assert from 'assert';
 import chalk from 'chalk';
+import { promises as fs } from 'fs-extra';
 
 import { getEASUpdateURL } from '../../api';
 import EasCommand from '../../commandUtils/EasCommand';
@@ -64,6 +66,11 @@ export default class UpdateConfigure extends EasCommand {
     });
     Log.withTick(`Configured ${chalk.bold('app.json')} for EAS Update`);
 
+    const madeChanges = await checkAndConfigureEasJsonReleaseChannelsAsync(projectDir);
+    if (madeChanges) {
+      Log.withTick(`Configured ${chalk.bold('eas.json')} for EAS Update`);
+    }
+
     // configure native files for EAS Update
     if (
       [RequestedPlatform.Android, RequestedPlatform.All].includes(platform) &&
@@ -241,6 +248,36 @@ async function configureAppJSONForEASUpdateAsync({
   return result.config.expo;
 }
 
+async function checkAndConfigureEasJsonReleaseChannelsAsync(projectDir: string): Promise<boolean> {
+  const reader = new EasJsonReader(projectDir);
+  const easJson = await reader.readAsync();
+
+  let releaseChannelsFound = false;
+
+  if (easJson.build) {
+    for (const [key, value] of Object.entries(easJson.build)) {
+      if (value.releaseChannel) {
+        releaseChannelsFound = true;
+        easJson.build[key].channel = value.releaseChannel;
+        delete easJson.build[key].releaseChannel;
+      }
+    }
+  }
+
+  if (releaseChannelsFound) {
+    try {
+      await fs.writeFile(
+        EasJsonReader.formatEasJsonPath(projectDir),
+        JSON.stringify(easJson, null, 2)
+      );
+    } catch {
+      throw new Error('Error occured updating eas.json file');
+    }
+  }
+
+  return releaseChannelsFound;
+}
+
 function isRuntimeEqual(
   runtimeVersionA: string | { policy: 'sdkVersion' | 'nativeVersion' | 'appVersion' },
   runtimeVersionB: string | { policy: 'sdkVersion' | 'nativeVersion' | 'appVersion' }
diff --git a/packages/eas-cli/src/commands/update/index.ts b/packages/eas-cli/src/commands/update/index.ts
index 46e69d4188..4c2b241f59 100644
--- a/packages/eas-cli/src/commands/update/index.ts
+++ b/packages/eas-cli/src/commands/update/index.ts
@@ -48,7 +48,11 @@ import {
 } from '../../project/publish';
 import { resolveWorkflowAsync } from '../../project/workflow';
 import { confirmAsync, promptAsync, selectAsync } from '../../prompts';
-import { formatUpdate } from '../../update/utils';
+import {
+  checkDeprecatedChannelConfigurationAsync,
+  ensureEASUpdateURLIsSetAsync,
+  formatUpdate,
+} from '../../update/utils';
 import { ensureLoggedInAsync } from '../../user/actions';
 import {
   checkManifestBodyAgainstUpdateInfoGroup,
@@ -275,7 +279,7 @@ export default class UpdatePublish extends EasCommand {
 
     const runtimeVersions = await getRuntimeVersionObjectAsync(exp, platformFlag, projectDir);
     const projectId = await getProjectIdAsync(exp);
-    await checkEASUpdateURLIsSetAsync(exp);
+    await ensureEASUpdateURLIsSetAsync(exp);
 
     if (!branchName && autoFlag) {
       branchName =
@@ -324,6 +328,13 @@ export default class UpdatePublish extends EasCommand {
       assert(branchName, 'Branch name must be specified.');
     }
 
+    const { id: branchId, updates } = await ensureBranchExistsAsync({
+      appId: projectId,
+      name: branchName,
+    });
+
+    await checkDeprecatedChannelConfigurationAsync(projectDir);
+
     let unsortedUpdateInfoGroups: UpdateInfoGroup = {};
     let oldMessage: string, oldRuntimeVersion: string;
     let uploadedAssetCount = 0;
@@ -749,6 +760,8 @@ function formatUpdateTitle(
     'mmm dd HH:MM'
   )} by ${actorName}, runtimeVersion: ${runtimeVersion}] ${message}`;
 }
+<<<<<<< HEAD
+=======
 
 async function checkEASUpdateURLIsSetAsync(exp: ExpoConfig): Promise<void> {
   const configuredURL = exp.updates?.url;
diff --git a/packages/eas-cli/src/update/utils.ts b/packages/eas-cli/src/update/utils.ts
index 9d955d368e..27cadad0d1 100644
--- a/packages/eas-cli/src/update/utils.ts
+++ b/packages/eas-cli/src/update/utils.ts
@@ -1,12 +1,16 @@
-import { ExpoConfig } from '@expo/config';
+import { ExpoConfig, getConfig } from '@expo/config';
+import { EasJsonReader } from '@expo/eas-json';
 import { format } from '@expo/timeago.js';
 import chalk from 'chalk';
 
+import { getEASUpdateURL } from '../api';
 import { Maybe, Robot, Update, User } from '../graphql/generated';
-import { learnMore } from '../log';
+import Log, { learnMore } from '../log';
 import { RequestedPlatform } from '../platform';
+import { getProjectIdAsync } from '../project/projectUtils';
 import { getActorDisplayName } from '../user/User';
 import groupBy from '../utils/expodash/groupBy';
+import { ProfileData } from '../utils/profiles';
 
 export type FormatUpdateParameter = Pick<Update, 'id' | 'createdAt' | 'message'> & {
   actor?: Maybe<Pick<User, 'username' | 'id'> | Pick<Robot, 'firstName' | 'id'>>;
@@ -105,3 +109,60 @@ export function ensureValidVersions(exp: ExpoConfig, platform: RequestedPlatform
     throw error;
   }
 }
+
+export async function checkDeprecatedChannelConfigurationAsync(
+  projectDir: string
+): Promise<boolean> {
+  const easJson = await new EasJsonReader(projectDir).readAsync();
+  if (easJson.build && Object.entries(easJson.build).some(([, value]) => value.releaseChannel)) {
+    Log.warn(`» One or more build profiles in your eas.json specify the "releaseChannel" property.
+For EAS Update, you need to specify the "channel" property, or your build will not be able to receive any updates.
+Update your eas.json manually, or run ${chalk.bold('eas update:configure')}.
+${learnMore('https://docs.expo.dev/eas-update/getting-started/#configure-your-project')}`);
+    Log.newLine();
+    return true;
+  }
+
+  return false;
+}
+
+export async function checkBuildProfileConfigMatchesProjectConfigAsync(
+  projectDir: string,
+  buildProfile: ProfileData<'build'>
+): Promise<boolean> {
+  const { exp } = getConfig(projectDir, {
+    skipSDKVersionRequirement: true,
+    isPublicConfig: true,
+  });
+  if ((await checkEASUpdateURLIsSetAsync(exp)) && buildProfile.profile.releaseChannel) {
+    Log.warn(`» Build profile ${chalk.bold(
+      buildProfile.profileName
+    )} in your eas.json specifies the "releaseChannel" property.
+For EAS Update, you need to specify the "channel" property, or your build will not be able to receive any updates.
+Update your eas.json manually, or run ${chalk.bold('eas update:configure')}.
+${learnMore('https://docs.expo.dev/eas-update/getting-started/#configure-your-project')}`);
+    return true;
+  }
+
+  return false;
+}
+
+export async function checkEASUpdateURLIsSetAsync(exp: ExpoConfig): Promise<boolean> {
+  const configuredURL = exp.updates?.url;
+  const projectId = await getProjectIdAsync(exp);
+  const expectedURL = getEASUpdateURL(projectId);
+
+  return configuredURL === expectedURL;
+}
+
+export async function ensureEASUpdateURLIsSetAsync(exp: ExpoConfig): Promise<void> {
+  const configuredURL = exp.updates?.url;
+  const projectId = await getProjectIdAsync(exp);
+  const expectedURL = getEASUpdateURL(projectId);
+
+  if (configuredURL !== expectedURL) {
+    throw new Error(
+      `The update URL is incorrectly configured for EAS Update. Please set updates.url to ${expectedURL} in your app.json.`
+    );
+  }
+}