Is it safe to jailbreak a iphone 5s?

I found a jailbreak on YouTube for iPhone 5s iOS 7.0.4.It works for a lot of people but some say they are stuck on the apple logo screen. Should I do it?

Why won't my music download?

I got the album onto my Iphone but it won't download it just goes dark and has a stop sign and a loading circle around it and won't do anything.

What are the pros and cons of a sprint and tmobile merge?

Will my coverage speeds change?
Will my Tmobile iPhone 5c be technically be running off of sprints network?
Sprint is just downright terrible. I don't want to be paying a cent for service I can't use. Please tell me this isn't the case. TMobile uses HSPA+ network, and sprint uses CDMA. Those technologies are 2 totally different technologies, therefore probably rendering them incompatible.

What should i do? Any advice?

2 days ago this guy told me i'm cute, cool, i can dress, and i have a funny laugh. So i said awwe thanks with a kissy face, and he said welcome and i said mhm. I'm the type of girl who always likes having the last word and after i have the last word the next day to not have to text first if i have the last word. So anyways the next day after this he texted me wassup and i said oh nothing and we were just talking about christmas and are family hertiage and stuff like i'm from the carribbean so i was telling him all about it and hes from illinios and we were just talking so at the end of the convo he said that i'm a forgien but in a flirtious way because thats the way that he likes to flirt mainly with me and i said no i'm not because i was born in delaware and he said oh and i said yeah and so we were talking on kik and then my iphone 4 is kinda messing up so it said he sent me a message saying wer you goin… And so i checked and it wasn't their, maybe it was my eyes because we were talking at 12 am and i usually stay up till 11 and so i checked over and over but he did read my message saying yeah. So if my eyes really did see it, should i text him first? Or should i wait because i really hate having the last word and texting first the next day because i look desperate and i'm not even sure if i really honestly like him. But if my eyes were playing games on me did i do something wrong? Am i boring and just a piece of trash? And he doesn't like me no more because i'm not the type of girl he thouoght i was over text? Btw we talk at school and mess around and stuff and he talks about thristy girls and i don't want to be considered a thristy girl? Btw how to recover this messgae off of kik would be even better.

What's happened to my iPhone 4?

So I was on the phone to my mum and I had my headphones in so I locked it.
She hung up first and as she hung up I went to unlock my phone so that I could hang up (at the same time)
It went straight to my home screen and the whole thing froze…
I was trying to press some icons but it wasn't working at all… So, I thought, I'll lock it and then see if when I unlock it, it will be okay.
No. It now is just a black screen… It won't unlock, I've tried holding down the on/off/lock button, doesn't work. I've tried holding down the home button… Doesn't work.
I know that it is switched on because it vibrates when I put the charger in it, and it also makes the noise when I put it on loud.
It's not even like I can take the battery out and reboot it. There's nothing I can do.
I've tried taking the sim out and putting it back in.
It's just a dark screen…
Has this happened to anyone else?
What could of happened? And what can I do?

Iphone 4s ios 7.0.4 battery drain?

Time to time my phone battery drains when i'm not even doing anything.
last night when i was going to sleep, i charged my phone and the battery life was at 100%, but over night (6hrs) my phone died because of the battery drained which made me late for work because i didn't hear my alarm. Then i came to work & i was charging my phone. Then it was at 40% and in less than 10 minutes the battery was at 15%. I didn't do anything with it. My phone was really hot… What's going on with this thing