Samsung India — Marshmallow Software In Samsung J7 2015 Model ???

Address:	700100
Website:	www.samsung.com/in

This is inform u to that today I've called your customer care from my number [protected] for know about Marshmallow updated in my Samsung J7 2015, 5 days ago I've visited Samsung service center Kolkata near South city (Dear Samsung Customer, the repair of your Samsung Product has been completed and it is ready for immediate collection from DIVINE ELECTRO SOLUTION.) Thank you.
Hence, I complain about service center associate he told me that 'If I will update my handset with latest version which was 6.0 your phone maybe hanged and also it was corrupted version also', so please do not updated your handset and after many time ⏰ I've tried to talk with u but lastly misbehaviour your end agent Mr. Rakesh he didn't helpout my problem after that call transfer to senior desk 📲 and call taken Mr. Sunil, his behavior issue I think also rudely behavior with me why I don't know???please 🙏 escalated this matter to concern department and this mail forward to grievance desk of higher authority and i surely told u that
there is no action on this as yet. Please give me the number of your national or regional head, I want to speak to him about this total disregard to customer complaint by Samsung resolve this issue as soon as possible today's call back my 📲 same number ..