Is 40mbps fast enough to surf the web?

It will be both me and my mom using the internet. My mom uses a laptop and all she does is surf the web and watch netflix.
I use my iphone and all i do is surf the web and watch youtube and netflix. None of us download movies or anything
Will 40mbps be fast enough to give both of us enough internet? Will it run out quickly.

Having problems restoring whatsapp messages on new iphone when I have kept my old number?

I have just bought an iPhone 6s. Previous to this I had an iPhone 4. I've kept the same number. I've been using whatsapp for the last 3-4 years on my iPhone 4 and have lots of messages stored in it. I backed up my iPhone on to iTunes and then restored the backup for my new phone. Everything is on there apart from my whatsapp messages. How do I get these messages from my old phone to me new phone?

Any help will be appreciated.

My iPhone 5s Irresponsive to iTunes?

I had just recently found my iPhone 5s and forgot the password so I tried syncing it to iTunes update & restore and whenever it asks to have permission to the iPhone I click yes, but the iPhone 5s is irresponsive and it asks for me to get access from my iPhone but I don't know how

Do live photos expire? Or am i just not noticing something?

I recently got a new iphone 6s and was really pleased with the new live photo function, after taking photos of fireworks etc i look back and i can see the live photos while applying pressure to the screen. Move forward overnight and now they no longer appear to be live. I've looked into the editing of the photo and haven't even seen a live photo choice button at the top left of the screen, what's going on, and how can i view them again?

Mobile data not working on my iphone 6 plus inside my house?

So my mobile internet is not working from a very long time the thing is that it works fine if i go a few steps ahead of my house on the street but it dosnt work inside my house in my bedroom or anywhere near my house i don't know why i'm facing this problem please help me figure it out!
ps: i'm using an Airtel SIM!