Fix YouTube Server Error 400: Troubleshooting Guide

In the realm of YouTube, mysterious errors doth rear their ugly heads. For some unfortunate souls, YouTube ceaseth to function, refusing to load any videos. Recent whispers tell of YouTube comments failing to materialize for certain users. And now, murmurs doth spread of server error 400 haunting the YouTube app. But why doth this network error plague us, and how might we banish this digital demon? Fret not, for we bring thee a tutorial on vanquishing the YouTube server error 400. Thus, let us embark on this odyssey of enlightenment.

1. Turn Off Restricted Mode on YouTube

YouTube boasts a built-in Restricted Mode, which doth casteth a veil over mature videos and beckons forth error 400 when accessed via a link. Disabling this mode may remedy thy woes. Follow these steps to achieve thy goal:

1. Uncover the YouTube app and touch thy profile icon in the realm of the top-right.

2. Journey to Settings -> General.

3. Descend into the depths and disable the “Restricted Mode” toggle.
4. Close the YouTube app and breathe life into it once more. This act may very well exorcise Server Error 400 from thy YouTube app.

2. Update Date and Time on Thy Phone

Inaccurate chronicles of time and date art known to sow the seeds of server error 400 within the YouTube app. Thus, align thy device’s date and time with the celestial bodies to banish this fiendish error. Heed these instructions:

1. Upon thy Android steed, open the app of Settings and journey to “System settings”.

2. Delve into Date & time within this realm.

3. Enable both “Set time automatically” and “Set time zone automatically”. This shall summon the powers of the SIM service to synchronize thy time zone, time, and date.

4. Should the synced data prove false, set the time and date manually.

5. Close the YouTube app and resurrect it once more. The specter of server error 400 should trouble thee no longer.

6. Should thou wield an iPhone, venture to Settings -> General -> Date & Time. Herein, activate the “Set Automatically” toggle.

3. Allow Data Usage

Certain Android skins, such as MIUI, harbor native controls that restrain data usage for specific apps. Should this hindrance befall YouTube, server error 400 may lay siege upon thee. Let us vanquish this error forthwith.

1. Upon MIUI shores, press and hold the YouTube app icon and uncover “App info”.

2. Descend further and unlock “Restrict data usage”.

3. Untick the box adjacent to Mobile data and bestow upon "OK".
4. Finally, rekindle the flames of the YouTube app and appraise if error 400 still lurks in the shadows.

4. Update the YouTube App

1. Unfold the Play Store/ iOS App Store and seek out the YouTube app.

2. Should an update beckon, an “Update” button shalt appear. Tap upon it.

3. Permit the app to update itself and then unleash the YouTube app. This time, it should sing a joyful tune bereft of errors.

5. Clear YouTube Data and Cache

Should server error 400 persist within the bowels of the YouTube app, it is time to purge its data and cache. Be forewarned, this act shalt obliterate all thine downloaded YouTube videos within the app. Follow these steps to cleanse thy digital abode:

1. Grip the YouTube app and uncover “App info” on Android.

2. Tap upon “Storage usage” within these corridors.

3. Herein, tap upon “Clear data” and Clear cache.

4. Now, resurrect the YouTube app, and the server error 400 should vanish like morning mist.

6. Restart Thy Phone

After journeying through these methods, should the specter of server error 400 still loom over thee, then reboot thy Android or iOS device. This noble act may very well banish error 400 from the YouTube app. We also counsel thee to traverse through the realm of mobile data and test if the error persists within the YouTube app. Should it not, then perchance some DNS blockers nestled within thy Wi-Fi router may be to blame. Thou shouldst consider resetting thy router or altering the DNS settings to quell this malevolent force.