How do I upgrade Windows 10 preview on my iBall Andy4l pulse?

[Windows Central Question]

how to upgrade windows 10 preview on my iball andy4l pulse?

pls any direct download?
or I try to hack windows insider app to try to update win 10, download is 100% successful and preferring install required 1.77 GB. I need 768 MB preferring process 60%. so we need more memory? how to i download win 10 or any information to me pl ans.
or
windows 10 install on my 32GB SD card? or how to increase my internal memory?

 

[Guytronic]

Re: how to upgrade windows 10 preview on my iball andy4l pulse?

You may need to dump some or all text or e-mails on the phone.
Actually the best path for memory space problems is a total wipe by reset on your device.