Lenovo Vibe K4 Note Smartphone — Problem facing after upgrade lenovo vibe k4 note from lollipop to marshmallow

Satyavns

from Agra, Uttar Pradesh

Address:

110093

R/Sir or Madam,

i was purchased above phone. when it has lollipop version, so it has work properly and smother. but after upgraded to marshmallow version it became slower than other phones and facing many problem to use it. many apps does not working properly and hardware problem like heating, hanging, network problem, wifi speed goes slower than normal. it seems that i made a big mistake to upgrade it.
I really work hard on net surf to resolve my problem but i got nothing about it or a little bit information I got. I contacted to Lenovo Service Center in Meerut (Uttar pradesh, India) but problem is being same. they said to me there is no downgrade version available from the company.
I requested you please reslove my problem and i m sour that others also wanted to do this. i will very thankful to you if you please available the downgrade version.
Thanking You.

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Lenovo customer support has been notified about the posted complaint.

Jun 16, 2016

Updated by Satyavns Updated when Lollipop marshmallows slow since the net, hang be getting these and other irritants. I wish that you, the down grade it up on the net and be available at your service centre. Thanks.