Google Play store error 921

"Error 921" happen wheen you're downloading,or update app from Google play.

this error is similar with error 498,but error 921 is concerned with your google mail account.

How to fix error 921?

• Clear cache memory out from your android devices :

(Go to Settings > Apps > All > Google Play Store > Clear Cache & Clear Data)

• Remove your google account from android devices :

(Go to Settings > Accounts & Sync >your google account > click menu  > Remove Google Account)

• Re-add your google account again, after this step  you can download any apps you want again from GOOGLE PLAY

Wifi Error Android smart phones & how to solve

"Android WiFi error" come up to your android device screen because of corrupt or outdated WiFi driver. 

To solve this problem:

•  reload WiFi driver to get rid of this error.

OR:

• Turn off WiFi mode on your android device.
• Go to "allshare" in your android device, and then open this app.
• Turn on WiFi mode. 
•  
  If you still have a problem download "WiFi fixer" application in GOOGLE PLAY

ANDROID ERROR 923 & HOW TO FIX IT

when you'r downloading app on your android device from

google play& you can't continue because something interrupted on your android device  while app downloading or network cut out happened this means that you have an ANDROID ERROR 923

To fix this error:

If error happened because something interrupted on your android device  while app downloading:

go to Setting > Data > Google Play, from this, you do unchecked restrict background data and killing all tasks. re-try to download app again from google play

If error happened because network cutted out:

You can try to connect other network of WiFi and download it again.

android Error 498&how to fix

Many android user may be found this some error message while starting download app from Google play. This error message will appears when you download a large size of apk file 
the most famous error is "android error 498" which means  

your device has not enough cache memory for install new large app

You can fix it by download cache cleaner app on google play

by install app cache cleaner