Tuesday, 6 October 2015

Samsung Galaxy GT-i9300



Hey Guys,

I have recently purchased a 2nd hand Samsung Galaxy S3 GT-i9300 from a friend for £35.The phone was 2 years old he had just received his new upgrade and did me a favour as i know they go for around £60 in it'd current very good condition.

My friend is the type of guy who doesn't follow the rules with regards to charging the battery. For example, he put's in on charge when it has 60% and then leave it on charge constantly when in the house or the local bar where the landlord who we both get on well with not only gives us free wi-fi but allows us to charge our devices. In my case that is a Lenovo x200 12" notebook, the above mentioned phone and my Nexus 7 tablet. I digress, that aside, it has ruined the battery and after several charges i'm just starting to repair it.

I leave the device switched off and let it charge for 18 hours. The first time i only got £58%, the 2nd i got 72% and the third 100%. Only problem being that it will be completely dead within 2-3 hours with minimal use of most functions and i make use oif he CM family of apps to manage apps and resources that run in the back ground.

I know that i can re-train the battery, to a certain degree as i am seeing small improvements every time. I have recent;y purchased a brand new generic 2100 Mah replacement battery from an Ebay Vendor that has over 50K transactions and a 99.7% positive feedback and i phoned them in Barking (near London) to discuss the retrurns policy and if the battery dosn't perform in the correct way then i get a refund, a new battery and get to keep the original. For £2.99 that's a good deal.

Now the phone is somewhat what 'laggy'. And has become more so as i've added severa; goole generic apps such as calendr, notes etc. Plus it's linked to severl social media apps and a few other apps that reiqre constant log in.

Considering all i have said i have some questions that i would be very grateful if you could advise me on the what to do

1) Should i root it?

2) Should a wipe it and install a custom rom with better apps designed for the particular device?

3) What is the best software and process to achieve the best results for questions 1 & 2.?

4) I have installed Sophos along side CM security, battery management etc.. What is the better option to manage security. I am a Barclay's customer and can get a free license of Kaspersky should i install that alone or is the there a better option?

5) there are a few power banks on sale on Ebay for around £12 that claim to have 50,000 Mah power capacity and several vendors sell one in particular Ebay item 201440708130 that can power 2 or 3 devices simultaneously. Are these any good?

6) Could you point me to a download for all the necessary files and step by step instructions as i know this smart phone can run well if loaded with the right software and i want rid of the Samsung bloatware.

7) I have a z3x box. Could i use this to unlock the carrier lock or can i do this as part of the rooting process.

Many Thanks

Drew



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