UPS5000-E - How to reset the SNMP password to login on the WebUI of UPS5000-E?

The customer has changed and then forgot the password, needed to connect on the WebUI of  UPS5000-E.
He asked:  How he can reset the admin Password?

1. Check the software version of the UPS5000-E. 

For this, on the UPS5000-E display, go to  System Info >>About>>Version Info>>.

For reference, In the below example the version is V100R005C00B037 .

2. Check the BPS version

Depending of the Software version, for different BPS versions, there are different users and passwords. The BPS version is given by the last 4 characters from the software version (for example – the BSP for  <V100R005C00B037>  is   < B037>).
Use client software such as PuTTY,  to login on the SSH platform. 

If the BPS is :
• B020 ---  login：root，password：000001
• B034 --- login：root，password：Changeme
• B037 --- login：enspire，password：Changeme，(Then, input the command “ su “  to elevate the privilege;  password: Changeme)

3. Login to the SSH platform, then:

     3.1 . Enter:  “cd /mnt/log/current_settings/”
     3.2 . Enter Remove um*:  “rm um*”
     3.3 . Enter Reboot SNMP:   “reboot”
After performing thr above 3 (3.1; 3.2; 3.3) steps the password will be reset.

Below is like should look the command line:

4. Wait for 2 minutes, then login in the browser again.  < admin / Changeme>

• The solution was to reset the password of the SNMP, and login to the WebUI with < admin / Changeme>.