[SIZE=+3]Frequently Asked Questions[/size]
[SIZE=+2]Samsung Galaxy S III - International GT-I9300[/size]
[SIZE=+1]This a short list of frequently asked questions with answers related to the Samsung Galaxy S III. It should serve as a starting point for gathering knowledge and finding solutions to many common problems. Please only post in this thread with feedback on how to improve this document and refrain from posting "Thank you" type responses. If you have additional questions or require more help, try to find an existing thread or create your own. Do not use this as a general help thread.[/size]
[SIZE=+1]Q1: How do I root my Samsung Galaxy S3 i9300?[/size]
There are several methods to achieve this:
CF-AutoRoot by Chainfire
CF-Root by Chainfire
A custom kernel like Siyah, Speedmod and others which can be flashed with Odin or Heimdall
Use the toolkit by mskip
[SIZE=+1]Q2: What can I do to conserve/improve battery life?[/size]
Official Samsung Touchwiz ROMs enable Smart Screen by default. You can tell it's enabled if you see an eye icon in the top right corner of your phones home screen. Smart Screen attempts to sense when you are looking at the screen to turn it on and to rotate the screen when you change your viewing angle but it is also notorious for draining the battery.
To turn it off go to Settings -> My Device -> Smart Screen then disable 'Smart Stay' and 'Smart rotation'.
To conserve your battery under official firmwares it is also recommended to enable power saving mode and, for all firmwares, you should turn off the WiFi, Bluetooth and your mobile data connections whenever you are not using them to minimize battery drain.
[SIZE=+1]Q3: How do I flash (install) ROMs?[/size]
ROMs that come packaged as a .zip file are usually installed using a custom recovery tool such as TWRP or ClockworkMod. Unlike previous Samsung Galaxy S devices the recovery for the Samsung Galaxy S3 i9300 is NOT part of the kernel. Instead, the SGSIII has a separate recovery partition. Custom recovery partitions can be installed using Odin if you are running Windows or Heimdall, which is available for Linux/UNIX and Mac OSX as well as Windows.
Some ROMs come packaged as a .tar.md5 file. These can only be directly flashed using Odin. Heimdall users are required to extract the individual tar files from within the .tar.md5 file and then flash them to the correct partitions using an appropriate .pit (partition map) file. Heimdall can be used to generate .pit files by extracting the existing partition map from your phone. Note that .tar.md5 files are actually just regular tar files with an added .md5 extension.
[SIZE=+1]Q4: How can I return to the stock ROM?[/size]
There is sometimes the need to revert to the stock ROM, for example when you need to return your device if its still under warranty. doovd made this great guide to the process.
[SIZE=+1]Q5: What is Odin?[/size]
Odin is a leaked tool from Samsung. It is used to flash firmwares (aka ROMs) to phones. There are many how-to's covering the use of Odin, such as this. Others can be found on the XDA WIKI.
[SIZE=+1]Q6: How do I unlock my bootloader?[/size]
There is no need to unlock the bootloader as it is already unlocked! This is the case for most Samsung devices.
[SIZE=+1]Q7: I have heard about EFS. Why is this so important?[/size]
/EFS is a partition on your phone where your IMEI code is stored. Without it your phone is an expensive PDA as you will not be able to make calls. Make sure to have a backup of this partition on a separate device before you attempt to flash new ROMs. TWRP and Philz recovery let you backup the EFS partition.
The format of the EFS partition changed with the release of the MG4 modem firmware so this can cause issues if your modem version and EFS don't match. Here is an explanation of the Samsung firmware naming convention.
[SIZE=+1]Q8: After flashing a ROM I cannot make calls. I now get a 'Not registered on network' error on my lock screen and if I look under Settings -> About Phone -> Status my IMEI begins with 0049 and my serial number has changed to a string of zeros. How can I fix this?[/size]
There are many threads on this forum suggesting this problem is caused by an EFS/modem mismatch or a corrupt EFS partition. This is a potential cause but its more likely you have flashed a ROM with the incorrect CSC (Customer Sales Code) for your phone network. For example, you can experience this error if you've flashed a BTU ROM when your network requires a H3G (Three) CSC. It can also be caused by flashing a ROM using the PDA instead of the CSC option under Odin. You can check your current CSC by dialling *#1234# or connecting your phone to Kies.
If you flashed with Odin and you're sure you flashed a ROM with the correct CSC, the first thing to try is flashing the same ROM using Odin's CSC mode instead of PDA mode. If your phone is rooted you can try changing the CSC mode using a CSC changer app but be warned that doing so will perform a factory reset - wiping all your settings, apps, messages and locally stored contacts etc. If none of those methods restore your correct IMEI, serial and network connectivity then a number of S3 users have reported success by flashing A.S._id's rescue firmware.
[SIZE=+1]Q9: I'm sure I've correctly flashed an SGSIII ROM with the right CSC for my network but why can I still not make calls?[/size]
If your phone was running an Android version less than v4.3 before you flashed a new ROM then you may need to install a patched modem and, if you upgraded to a newer stock ROM, a patched kernel too such as the zuluman modem FW/kernel. You will usually not need to install a patched kernel if you install CyanogenMod or a CM-based ROM. A number of kernels and modem firmwares patched for Android 4.3+ are available here.
[SIZE=+1]Q10: What is the best ROM for the SGSIII?[/size]
Galaxy ROMs come in two flavours. CyanogenMod-based ROMs and TouchWiz-based ROMs. CyanogenMod is completely open source and forms the basis of several derivatives such as AOKP, ParanoidAndroid and many more. These ROMs lack a number of features exclusive to Samsung's TouchWiz like Svoice, Smart Stay, S-Beam and so on. On the other hand, they generally perform better thanks to consuming less resources.
There is no such thing as 'the best rom', it is a subjective matter. Please read this sticky thread in the General section.
[SIZE=+1]Q11: Where can I download the official firmware files from?[/size]
Official firmware files are available here.
[SIZE=+1]Q12: How do I enable Debug mode?[/size]
Since Android 4.2 debug (developer) mode has been hidden by default. Debug mode can be enabled by tapping 7 times on Build number under Settings -> About Phone.
[SIZE=+1]Q13: How do I enter Download Mode and Recovery mode?[/size]
Make sure your phone is unplugged and powered off, then:
Download Mode: Hold Volume down, home, and power until you see the green dude.
Recovery: Hold Volume up, home, and power for about 5 seconds then release all buttons. This might take a couple of tries.
[SIZE=+1]Q14: What is the 'Flash Counter'?[/size]
Your phone's flash counter is triggered and incremented after installing a custom firmware. This is Samsung's way of knowing that you have modded your device. Thanks to the awesome people at XDA, this counter can be reset. Refer to this thread.
[SIZE=+1]Q15: What is ADB and how do I use it?[/size]
[GUIDE] ADB Workshop and Guide for everyone
[SIZE=+1]Q16: I've been asked to provide a logcat. How do I do that?[/size]
How to read a logcat/ Troubleshoot your own issues!
[SIZE=+1]Q17: TitaniumBackup can't find my backups anymore![/size]
This usually occurs after upgrading to Android 4.2 when users forget to also update the recovery partition. Older recoveries can't handle the multiuser support on the sdcards so your data got repeatedly shifted to a folder named 0, resulting in /sdcard/0/0/0... etc. That is where your backups have gone! You simply have to update TitaniumBackup's settings to point to the correct location and your backups will re-appear.
[SIZE=+1]Q18: I have searched everywhere and still can't find an answer to my question![/size]
Have you really searched everywhere? Google? Have you tried asking in the XDA thread relating to your problem? Have you read the stickies and FAQs? If you have honestly spent more than 5-10 minutes searching for an answer, post a new thread in the Q&A section.
*
Forum Rules | New Users Guide | XDA Tour | Report Posts
This FAQ is part of a Recognized Contributor Group Initiative.Please look for a similar FAQ thread when visiting another device forum.
A special thanks to everyone who contributed to the production of this FAQ
[SIZE=+1]in particular XDA Member @pfmdan, aka Dan MacDonald / danboid who basically rewrote this entire FAQ. Please thank him for this FAQ!
Also thanks to @SkippyleGrandGourou for providing updated links to TWRP and ClockworkMod[/size]
Do not post "Thank you" type responses. If you have additional questions or require more help, try to find an existing thread or create your own. Do not use this as a general help thread. More Frequenty Asked Questions and their answers are welcome here and I will add them to the OP.
Maybe you can add the FAQ: How do I go back to stock? That question gets asked A LOT
<sent from my Nexus 4>
The real need is not a sticky or a faq its getting the ffffff to read them first .
jje
Coreym said:
Maybe you can add the FAQ: How do I go back to stock? That question gets asked A LOT
Click to expand...
Click to collapse
Thanks for the idea! Please feel free to submit more, together with the answer please :highfive:
JJEgan said:
The real need is not a sticky or a faq its getting the ffffff to read them first .
Click to expand...
Click to collapse
If there is no faq then how to get them to read it first?
Ynt: Frequently Asked Questions
Good job. Ty...
GT-I9300 cihazımdan Tapatalk 2 ile gönderildi
Zatta said:
If there is no faq then how to get them to read it first?
Click to expand...
Click to collapse
My point is that there are already FAQS and Guides stickied that are unread .All bar question 12 have been posted for a long long time in the stickies .
But i will be honest i have no idea at all how mods can prevent this forum from degenerating even further .
Possible duplication of sticky s in both General and Q&A may help .
jje
JJEgan said:
My point is that there are already FAQS and Guides stickied that are unread .All bar question 12 have been posted for a long long time in the stickies .
But i will be honest i have no idea at all how mods can prevent this forum from degenerating even further .
Possible duplication of sticky s in both General and Q&A may help .
jje
Click to expand...
Click to collapse
It's been a long time since I registered, but is there some kind of big splash screen that pops up saying read the FAQ/stickies? If not, there should be!
And it should be like one of those annoying t&c's things on windows apps that won't let you past until you have scrolled down.
In fact, you should have to read instructions, saying things like search/faq/stickies etc, then you have to answer 5 questions correctly before you can register!
Need help plzzz mail me ans...
I want to ask that when i dail number and send call my note 2goes to vibration..can u plzzz tell me whats the prob...mu email id is [email protected]
uzzu786 said:
I want to ask that when i dail number and send call my note 2goes to vibration..can u plzzz tell me whats the prob...mu email id is [email protected]
Click to expand...
Click to collapse
If you have read Q12, you would have gone to the Note2 section instead of the i9300 one. And I have no idead what you are asking, let alone the answer.
i think you should change the answer to Q7
We have a sticky stating not to post best rom threads - that should be be included here
Consider it done... Shortly after I get to my computer. Thanks.
Taptalked u see .. əəs n pəʞlɐʇdɐʇ
how can I do efc backup
كن حرا او ادفن نفسك في التراب
Question
Hi guys
I'm new on this forum.
I want to know what the difference is between the Supernexus mod 2.0 & CM 10.1 mod (this one is allready installed on my phone (Galaxy S3) )
I can't post on this forum : http://forum.xda-developers.com/showthread.php?t=2076672 because I don't have the privileges.
Greets
Gr3c0
look at the descriptions and compare them
question. Normaly 1GB RAM. In system look 875 MB RAM.....Whi ?
middle east room
Hi can ihave please the orignal middle east room jb 4.1.1
And 4.1.2
And if there not 4.1.2 jb room until now
Can you give me any room but not locked to any network
Because my mobile is not locked
My mobile GT-I9305 for middle east
Thanks.
q8_wolf said:
Hi can ihave please the orignal middle east room jb 4.1.1
And 4.1.2
And if there not 4.1.2 jb room until now
Can you give me any room but not locked to any network
Because my mobile is not locked
My mobile GT-I9305 for middle east
Thanks.
Click to expand...
Click to collapse
This is a FAQ not a service depot and you need I9305 forum .
jje
sir i cant post new thread can you help me please
q8_wolf said:
sir i cant post new thread can you help me please
Click to expand...
Click to collapse
http://forum.xda-developers.com/forumdisplay.php?f=1961
Related
so after alot of thinking and some hesitation i finally got my SGS2 few days ago and since it i couldnt stop my self from messing things and started to flash so many roms and kernels on it but i forgot to write down which firmware nor kernel i was originally on and now kies cant recognize the phone's firmware and cant update it so
1- is there away to know which firmware i was originally on ? and to get kies recognize the phone again?(i bought it from expansys UK few days ago)
2-in the dev section there is a thread about all roms and kernels and it has some CsCs . does these ones need any specific things to work properly (like specific fimrware, kernel....etc)
srry if these stuff r so common and ez but as i said i'm newbie here
thx for reply
lordvoldmort said:
so after alot of thinking and some hesitation i finally got my SGS2 few days ago and since it i couldnt stop my self from messing things and started to flash so many roms and kernels on it but i forgot to write down which firmware nor kernel i was originally on and now kies cant recognize the phone's firmware and cant update it so
1- is there away to know which firmware i was originally on ? and to get kies recognize the phone again?(i bought it from expansys UK few days ago)
If you have the Original Product Code yes .
You can flash relevant stock rom or branded rom .
2-in the dev section there is a thread about all roms and kernels and it has some CsCs . does these ones need any specific things to work properly (like specific fimrware, kernel....etc)
You flash a full firmware to either match your existing or a later one for an upgrade .
You pick CSC to match area of phone use .
http://forum.xda-developers.com/showthread.php?t=1075278
jje
Click to expand...
Click to collapse
Hi Guys,
at first I have to say that I am totally new at Android. The SGS2 is my first Android phone. So read many threads and infos about SGS2 root here root there but I didn't get what the advantage of rooting really is. What does it enable me to do more with my phone?
Could anyone plz make a pro/con list of rooting or not rooting?!?
TiA
If you have the Original Product Code yes .
Click to expand...
Click to collapse
how can i find this?
Original product code on the box under the battery .
Rooting opens up the OS to give more user rights means user can backup full rom and use programs that require root . But until you need root dont bother as it invalidates warranty though root can be removed .
jje
HTC_Spree said:
Hi Guys,
at first I have to say that I am totally new at Android. The SGS2 is my first Android phone. So read many threads and infos about SGS2 root here root there but I didn't get what the advantage of rooting really is. What does it enable me to do more with my phone?
Could anyone plz make a pro/con list of rooting or not rooting?!?
TiA
Click to expand...
Click to collapse
Simple Answer: The first rule of rooting: if you have to ask why you should do it, don't do it.
Complex Answer: As JJEgan stated, it gives you more freedom to do what you want to do. For example manipulating system files (for themeing, firewalls, adblocking, etc), flashing custom roms and more. But with this freedom comes great responsibility. Since you can do anything, you can do anything wrong thus damaging your phone or bricking it (making it unusable). And by that we arrive again at the first rule of rooting...
On a side note: please don't take this the wrong way but you shouldn't hijack a thread that has nothing to do with your question. Search the forums if it has been asked already and then post in the appropriate thread or open a new one.
Original product code on the box under the battery .
Click to expand...
Click to collapse
if you mean the one under the bar code and under it there is color:noble black then i found it
so if so what should i do with it?
Hi Folks
I am indeed a noob as the intro video to xda states. I am also aware that this post will annoy some of you. But i would appreciate it if you could take some time answering this
I have a few questions regarding flashing before i go ahead with this. I would very much appreciate it if you could oblige me with some answrs to the questions listed below :-
My phone is Samsung Galaxy S3 international version ( gt - i9300 ).
1.Will flashing to the poland release of jellybean result in me losing my APNs for mms and internet ? And will I have to reset those after flashing ?
2.Does flashing mean i void my warranty ?
3.will I get any future samsung bug fixes/ firmware updates/ any other updates from samsung after flashing ? 2nd part to this question -- since i am flashing to poland release .. will i get future updates from samsung when poland gets it or I just wont get it period
4.I have heard that if I reset my phone's CSC to the correct region after flashing , I might be able to get future updates from Kies. Is this information correct ?
5.If I manually have to update via odin any future updates, please link me to specific room in xda forum where any updates will be available as they come through
6.Do i have to remove my SD card and Sim card while flashing with odin ?
7.Will I lose any data/contacts/customisations after flashing with JB ?
8.How do i do a complete backup of the phone other than kies backup ?
9.Is anyone ,who has already done this, experiencing any troubles after updating to JB ?
Any answers and will be highly appreciated
Void warranty, contacts just sync to google. Contacts should stay, but sync it anyway. In case.
Customisations, not sure which customising you're talking about. Homescreen set ups and app data should be intact, unless you wipe data through recovery or something.
In any case, root using the root methods provided, and do a nandroid backup in custom recovery. Backups up the entire phone (exc sd). If anything unsatisfactory, you can always restore. I used cf root to root the phone.
I'm in the uk and I've flashed the polish one, no problem whatsoever using internet. Haven't tried mms.
As for updates, sammobile.com posts all official firmwares on their site. I9300 general forum also has a post with any firmwares. I'm not sure about automatic updates but you'll probably get the firmware posted on the forums before you get any otas so I haven't had the need to check this.
You can keep your sdcard and sim in the phone when doing any of this. Had no problem using the phone after update.
Hope this clears any questions you had. Enjoy your jelly bean
Sent from my GT-I9300 using xda premium
xcly said:
Simple answer would be void warranty, contacts just sync to google. Contacts should stay, but sync it anyway.
Customisations, not sure which customising you're talking about. Homescreen set ups and app data should be intact, unless you wipe data through recovery or something.
In any case, root using the root methods provided, and do a nandroid backup from custom recovery. Backups up the entire phone (exc sd). If anything unsatisfactory, you can always restore. I used cf root.
I'm in the uk and I've flashed the polish one, no problem whatsoever using internet. Haven't tried mms. As for updates, sammobile.com posts all official firmwares on their site. I9300 general forum also has a post with any firmwares.
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
thanks
few followup questions :-
1. I do not want to root my phone. Is there a way to do a complete system backup without rooting. If not can i flash it back to stock ics firmware if anything goes wrong?
2. Could you please link me to sam mobile firmware site you are referring to
3. will reflashing to stock ics unvoid the warranty ?
There are ways to un-root your device and make customizations nearly undetectable
If done correctly rooting and flashing your device has a pretty low possibility of hard-bricking your S3
Softbricks may occur but with Odin/Recover Menu you're prettymuch good to go
Sent from my GT-I9300 using xda premium
z3255859 said:
Hi Folks
annoy some of you.
That would only be if users see you are to lazy to search and read the FAQS and stickies .Edit and yes you did not bother to read the basics so they may be annoyed and advice you to join a Samsung forum
My phone is Samsung Galaxy S3 international version ( gt - i9300 ).
1.Will flashing to the poland release of jellybean result in me losing my APNs for mms and internet ? And will I have to reset those after flashing ?
Maybe and yes if they are lost .
2.Does flashing mean i void my warranty ?
Not if its stock Samsung rom .
3.will I get any future samsung bug fixes/ firmware updates/ any other updates from samsung after flashing ?
No unless you get Polish updates .
2nd part to this question -- since i am flashing to poland release .. will i get future updates from samsung when poland gets it
Yes
4.I have heard that if I reset my phone's CSC to the correct region after flashing , I might be able to get future updates from Kies. Is this information correct ?
Possible
5.If I manually have to update via odin any future updates, please link me to specific room in xda forum where any updates will be available as they come through
See the stickies on page one .
6.Do i have to remove my SD card and Sim card while flashing with odin ?
NO
7.Will I lose any data/contacts/customisations after flashing with JB ?
Data no Customize maybe
8.How do i do a complete backup of the phone other than kies backup ?
Rooted phone and Nandroid backup .
jje
Click to expand...
Click to collapse
Your questions seem to have all been answered above, but I just want to add that in addition to a Nandroid backup, you should specifically back up your EFS and store it safely somewhere on your computer.
This contains your IMEI, and you will be seriously screwed if it gets messed up.
New Guide .
http://forum.xda-developers.com/showthread.php?t=1931790
jje
Thanks a lot. I flashed my phone this morning. I am pleased to inform that i did not lose any data or customizations ( homescreen widgets / apps orientation etc)
I'm glad you flashed without any problems. If you're worried about things like your APN settings, your contacts, your text messages, etc... you can use MyBackup Pro (which I use, you can use it with or without root) or Titanium Backup if you're rooted (which I've never used so I can't really speak about it).
Can I unroot my I9300?
Hey, I plan to root my S3.
I had this is in mind. Can I unroot my I9300 in the future for warranty if I root it using CF-Auto-Root?
Help much Appreciated.
Thanks in advance.
Ekaansh
Another Necro Poster . Posting in a very old thread .
Please use search and read the faqs and guides your question has been asked multiple times .
http://forum.xda-developers.com/showthread.php?t=1927113
jje
Hi Guys,
Just got an s3 GT-I900T moving from a HTC Desire HD.
Few questions in regards to rooting as I rooted my DHD which was rather easy.
My questions are
1. Firmware v Rom - What's the difference and do I need to flash both or..?
2. Anything you would recommend I should know that is different in the rooting process for the device?
Accessories related questions
1. I've tried finding it, but how much thicker does using the Hyperion 4200mAH make the phone, from photo's it looks to make it roughly double the size?
2. For the Hyperion 2200mAH - How more time does it bring the battery to, eg from a day to a day and a half or?
Sorry if my questions seem stupid.. they do seem a little stupid to me, but I did try searching - possibly I'm just terribly at seaching for things
Burning_aces said:
Hi Guys,
Just got an s3 GT-I900T moving from a HTC Desire HD.
Few questions in regards to rooting as I rooted my DHD which was rather easy.
My questions are
1. Firmware v Rom - What's the difference and do I need to flash both or..?
2. Anything you would recommend I should know that is different in the rooting process for the device?
Click to expand...
Click to collapse
1. Not sure if there is really a big difference. Firmware for me is a rom, custom roms are also roms/firmwares in a way
2. Read the Stickies in the General thread, it will help you to get behind the rooting process.
ps: I guess you meant GT-I9300T not GT-I900T
chrismast said:
1. Not sure if there is really a big difference. Firmware for me is a rom, custom roms are also roms/firmwares in a way
2. Read the Stickies in the General thread, it will help you to get behind the rooting process.
ps: I guess you meant GT-I9300T not GT-I900T
Click to expand...
Click to collapse
Yes I did mean that..
In regards to 1 - Cool, I was hoping they were the same, hence the stupid question part, thanks Chrismast.
2 - Good call, missed the sticky that actually mattered - Saw it as the following;
[READ FIRST] Forum Section Rules [UPDATED: 9th September 2012]
American or Canadian SGS3? Read this before posting!
Mods to assist......
For all your jellybean discussion
Do NOT post threads asking which the best ROM or kernel is
Whats the best way to root the phone, then get a complete backup of the original rom?
In this thread http://forum.xda-developers.com/showthread.php?t=1957273 Chainfire said "No CWM and such ?
I have personally moved away from permanent custom recoveries, and I am no longer supporting them. On newer devices they cause flash counter and OTA flashing issues. If you really want one, others do provide versions of CWM and TWRP for most devices. Personally I just use Mobile ODIN to install ZIPs and Titanium Backup for my backup/restore needs. I do always want root though, and as such I'm still supporting CF-Auto-Root as quick way to root."
Originally I was going to install CWM, but yeah, what's the best way to go about this?
Burning_aces said:
Yes I did mean that..
In regards to 1 - Cool, I was hoping they were the same, hence the stupid question part, thanks Chrismast.
2 - Good call, missed the sticky that actually mattered - Saw it as the following;
[READ FIRST] Forum Section Rules [UPDATED: 9th September 2012]
American or Canadian SGS3? Read this before posting!
Mods to assist......
For all your jellybean discussion
Do NOT post threads asking which the best ROM or kernel is
Whats the best way to root the phone, then get a complete backup of the original rom?
In this thread http://forum.xda-developers.com/showthread.php?t=1957273 Chainfire said "No CWM and such ?
I have personally moved away from permanent custom recoveries, and I am no longer supporting them. On newer devices they cause flash counter and OTA flashing issues. If you really want one, others do provide versions of CWM and TWRP for most devices. Personally I just use Mobile ODIN to install ZIPs and Titanium Backup for my backup/restore needs. I do always want root though, and as such I'm still supporting CF-Auto-Root as quick way to root."
Originally I was going to install CWM, but yeah, what's the best way to go about this?
Click to expand...
Click to collapse
yes, you can use CF-Auto-Root whereas I did not use it as it was not available (?) that time, but I am sure there is a guide in that thread. Otherwise you could use CF-Root 6.4. Make sure you have the international I9300/T version though! Also a good start to read is here. For backups, once you installed CWM you will be able to do a nandroid backup. In addition backup your EFS folder and copy it to your computer, instructions here. I hope it helps!
[SIZE=+3]Frequently Asked Questions[/SIZE]
[SIZE=+2]Samsung Galaxy S II I9100[/SIZE]
[SIZE=+1]*NOTICE* To put an end to some of the unneeded posts in this thread, this thread will be remaining locked. If there's anything which needs to be added to this FAQ, please PM me and I'll get back to you ASAP![/SIZE]
[SIZE=+1]This a short list of frequently asked questions in this device forum and the answers often given as a response. It should serve as a starting point for gathering knowledge and finding solutions to many common problems. Please only post in this thread with feedback on how to improve this document. Do not post "Thank you" type responses. If you have additional questions or require more help, try to find an existing thread or create your own. Do not use this as a general help thread.[/SIZE]
[SIZE=+1]Q1: What's the difference between "Development" and "Original Development"?[/SIZE]
Here are the rough guidelines as to what should be placed in "Original Development":
*Official release of highly original and upstream custom ROMs (built from the ground up with significant original development within them).
*Official releases/development of such original ROMs, perhaps posted by the maintainer or their nominated person.
*A significant "first" in development for a device. This is something which took considerable time/effort and is generally accepted by developers to be non-trivial.
*Kernels which are built with beneficial changes that are not simply pulled from other kernels already available.
*Tools and utilities with a clear purpose, and which are well-made, and useful to users. They should have an element of originality, either in purpose or through significant improvement in the means of operation.
*Significant port of a ROM from one device to another, giving enhanced features or functionality to the users of the target device.
All other development work goes into "Android Development".
[SIZE=+1]Q2: How do I root my phone?[/SIZE]
There are a few different ways you can root your phone. Below are a couple of threads to help you successfully root your SII;
CF-ROOT 5.6 - This is a rooted kernel which will root your stock firmware and add busybox & ClockWorkMod recovery onto your device.
ROOT/UNROOT stock firmware without flashing insecure kernel - This simply roots your stock kernel so you don't have to flash a different kernel to your device.
Universal Rooting for most phones [ICS/JB] - This thread lists other methods to root your device, which I have not written here.
*NOTE* Always be sure to double check everything you read and follow the instructions carefully.
[SIZE=+1]Q3: What are download mode and recovery and how can I enter them?[/SIZE]
Download mode and recovery are very important in the rooting world and you will likely hear a lot about them.
Read the following thread to get a brief description of what they are and how to enter them - What is recovery and download mode?
[SIZE=+1]Q4: When I turn my phone on, I see a yellow triangle. What is it and how can I get rid of it?[/SIZE]
It will appear if you have flashed a non-official kernel from download mode. If you flash kernels using CWM recovery, Mobile Odin etc. you won't get this yellow triangle.
The easiest ways to remove it are to use the app Triangle Away OR use a USB Jig.
[SIZE=+1]Q5: How can I fix a boot loop/ how can I recover from a soft bricked phone?[/SIZE]
Fixing a boot loop is really easy and straightforward. All you have to do is boot into recovery, wipe cache partition and then go to Advanced > Wipe dalvik cache. If that doesn't work, wipe data/factory reset and then boot up your phone.
If you are soft bricked, simply read and follow the instructions of the following thread and you'll soon recover your device - Fix an unflashable or soft bricked GSII.
[SIZE=+1]Q6: What is the best ROM/kernel/modem?[/SIZE]
Honestly, there is no "best". It's all based on personal choice. For example; I may like heavily customizing my ROMs whereas you may like it to look at basic as possible. The best thing you can do is to just test out different ROMs/kernels/modems and see which you prefer.
Also, please don't ask which is the best because your post will likely be deleted as it's against forum rules to ask that question.
[SIZE=+1]Q7: What does dual-booting mean?[/SIZE]
Dual-booting allows you to run 2 different ROMs on your device at the same time. In doing so, it means rather than having to restore old backups or keep flashing between different ROMs, you can simply switch between the 2 you want to use.
Read the following thread for more details on dual-booting and how to dual-boot - How To Dual Boot Using Siyah Kernel.
[SIZE=+1]Q8: I hear a lot about ADB. What is it?[/SIZE]
Find out everything you need to know by reading the following thread - ADB Workshop and Guide for everyone.
[SIZE=+1]Q9: Am I required to backup my ROM before flashing anything else?[/SIZE]
No you're not, but it is definitely a good idea because if you don't do a backup and then something goes wrong, it means that you'll lose all your apps, data etc. It just saves a lot of hassle.
[SIZE=+1]Q10: Why is my battery running out so quickly?[/SIZE]
If you had bad battery life from the moment you got the phone then you're best options are either to buy a new battery OR send your phone to be repaired.
If, however, you used to have good battery life but now it's poor it could be because of a few different reasons. Either you overuse your phone and don't charge it enough, you may have too many apps installed, it could be because of the ROM or kernel you're using etc.
Try troubleshooting the problem, so if you have a lot of apps (for example), uninstall some of them and see if it helps.
If you'd like to analyze your battery stats and optimize your battery life, please check out the BetterBatteryStats thread.
For some more general tips on how to increase battery life, read the following thread - Battery Saving Tips.
The following thread is another useful option if you'd like to improve your battery life - The Complete Guide For Maximum Battery Life.
[SIZE=+1]Q11: What is the difference between the different Samsung Galaxy SII models?[/SIZE]
The main differences are hardware and region. Some variations will have better hardware than others. Some will have a slightly different look to the body of the phone itself. Some are also specific to certain carriers. To learn more about the Galaxy SII variants, please read the following link - Samsung Galaxy SII variants.
*NOTE* If you have a device other than Samsung Galaxy SII I9100 then this FAQ is not suited to you.
[SIZE=+1]Q12: My phone cannot make calls, send messages or use mobile data. I found my IMEI as missing or starting with 0049. What do I do?[/SIZE]
Have a look through the following thread for a solution to this problem - How to recover IMEI in nine steps
Also, here's a video tutorial on how to restore IMEI using kTool:
*
Forum Rules | New Users Guide | XDA Tour | Report Posts
New Members Friendly Q&A Thread
This FAQ is part of a Recognized Contributor Group Initiative. Please look for a similar FAQ thread when visiting another device forum.
Guys, lets only post useful or "need to update" posts in this thread as per the OP´s request. Thanks.
D.O.C
XDA Senior Moderator
Hey KC
in the first place :Thumbup: for the good wrk ma8
For the Galaxy S2 variants may be the link below been added to Q10 would do good in my Opinion
Galaxy S2 and its Variants-Manual
Sun90 said:
Galaxy S2 and its Variants-Manual
Click to expand...
Click to collapse
Added. If you have any more additions/corrections, please let me know
Thanks for creating the FAQ thread !
Just a suggestion for Q9:
Maybe you can add a link to BBS thread, as it is the best place for analyzing battery stats and optimizing battery life IMO.
And an example for battery saving tips => http://forum.xda-developers.com/showthread.php?p=16973603
I would like to have a link to the New members friendly Q&A thread.
@lt_ter - I'll make the additions later when I get to a computer
Newest addition to the OP - For Q9 I've added the following link - The Complete Guide For Maximum Battery Life
Can you stop asking/answering questions in here?
If you need some help, post your question either in the Q&A, Help & Troubleshooting forum by making a new thread OR post your question in the help thread which is also stickied in this section. Only ask after searching for your answer first though!
This IS NOT a help thread. This is simply an FAQ so NO questions should be being asked or answered in here.
If someone posts something which they shouldn't, just ignore it. I'll see it and report it for removal.
As said previously by myself and a forum moderator, ONLY POST IN THIS THREAD IF YOU HAVE A SUGGESTION/ADDITION TO THE FAQ.
A small suggestion, since many members have been asking about this recently:
Q. My phone cannot make calls, send messages or use mobile data. I found my IMEI as missing or starting with 0049. What do I do?
How to recover IMEI in nine steps:
http://forum.xda-developers.com/showthread.php?p=17587351
Here's a video tutorial on how to restore IMEI using kTool:
https://www.youtube.com/watch?v=iY9cDkj4CCw&feature=youtube_gdata_player
P.S. Thanks for a great thread!
"To err is human, to forgive is divine"
Sent from my SGS II
immortalneo said:
A small suggestion, since many members have been asking about this recently:
Click to expand...
Click to collapse
Thanks for the suggestion. I've added it to the OP
I've updated the FAQ with Q1 and therefore moved all other questions down the list. Although the question isn't device specific, it still gets asked enough in this forum to warrant me adding it to the FAQ
Add a question in FAQ
Please add the solution for call recording in S2.
itsangshu said:
Please add the solution for call recording in S2.
Click to expand...
Click to collapse
It's not a frequently asked question so therefore I won't be adding it.
Hi
Just managed to get a dead S3 into download mode with a GPG Boot cable , as a iPhone user (please dont boo me , I'm jailbroken at least) I have very little understanding of the Android ROM system , I'm unable to find matching files and have to wait about 10 hours to download every one.
If someone could tell me the right files I need to flash this phone back into stock rom I'd be very grateful.
Its a I9300 UK Vodafone with the stock OS it came with , I'm assuming 4.04 ?
I'm not sure which version of ODIN I need , nor either the .tar all in one or .pit / csc / phone / modem files.
I dont mind waiting a week to download these files so long as they're correct.
If you could tell me this it'd be much appreciated and If I can work out how I'll tip you in some xda-developers forum way.
Many Thanks :good:
Keir Lawson
Follow the sticky guides, don't post questions in general forum.
Help
If a mod wants to move this to the relevant section of the forum that'd be great.
The sticky guides are unclear and overlapping , many link to hotfile which now dosen't exist and they each say you need a different rom or version of ODIN , any help would be much appreciated and as said rewarded.
16GB I9300 UK Vodafone , Fixed using GPG Boot cable , clear instructions + link to files on how to completely re-stock it.
(Any version of android , don't mind if newest or not jsut want it to work)
keirjohnharry said:
If a mod wants to move this to the relevant section of the forum that'd be great.
The sticky guides are unclear and overlapping , many link to hotfile which now dosen't exist and they each say you need a different rom or version of ODIN , any help would be much appreciated and as said rewarded.
16GB I9300 UK Vodafone , Fixed using GPG Boot cable , clear instructions + link to files on how to completely re-stock it.
(Any version of android , don't mind if newest or not jsut want it to work)
Click to expand...
Click to collapse
Sammobile has everything you need.
Make a account and download every stock rom for you're samsung phone.
http://www.sammobile.com/
Your Stock ROM: http://www.sammobile.com/firmwares/3/?download=27491
Odin you need: http://www.chip.de/downloads/Odin3_12992520.html (Click AP to select the ROM)
Recovery you need: https://goo.im/devs/philz_touch/CWM_Advanced_Edition/i9300/