How to resolve the Cisco LEAP WIFI connection issues on Android 4.2 and above

After upgrade to android 4.2 and above , we can NOT connect to original IBM SSID for long times. I start to search some articles on google , LEAP looks like a known issue after 4.1.2. Finally, I conclude a workable solution that you need to get a digital certificate on your mobile device. The ways is described as below ,just have a try if you have the same issue for LEAP connection issue, Good Luck !

Step1 : Logon to W3 , and type wireless digital certificate on W3 search , then you will find a link to obtain wireless digital certificate (should be the top one list)

Search on W3 result for wireless digital certificate

Step2  : Request a certificate and mail will be sent to your corporate mailbox and then download the certificate through mobile : the detail steps should be as blow : 

To obtain a digital certificate follow the steps below:

• 1. Register for an 802.1x Digital Certificate (select Login).
  2. Enter your intranet user ID and password.
  3. Verify your information is correct and select Register/Renew.
  4. You must choose a code word (Note:Remember the code word when creating the certificate.It will ask while installing)

Step3: Select the wifi profile and from the three options select certificate option and you can view the installed certificate

Step4 :click on done and connect to wifi automatically.

Update @08/13

   After I rooted my phone, I found a easier way for passing the LEAP wifi connection issue as below :

1. Using ES file explorer or root explorer, go to /data/misc/wifi/wpa_supplicant.conf

2. Edit file as below : Key change is auth_alg=LEAP  and eap=LEAP

3.Enable Wifi , Auto connected !