Develop Bugs

Completely new to android and confused

Ok so as the title says im completely new to android os, and im alittle confused. But there is a very good reason for that. I bought my HTC One-x in china (i work and live here) and it is a Vietnamese vr. that came out of the box rooted and with a custom rom.
Now i have no idea what rom it is, but i know for a fact since i get a message telling me im not on official firmware when i try and update (i get an update request every time i connect to wifi very annoying).
basically i just want to update my rom to the latest if i have to go back to stock then so be it but if there is a good homebrew rom that will allow me all the features i had and doesnt have to many problems i would rather do that.
and ive been searching around for a guide on changing my rom but being in china alot of stuff is blocked or just a pain to go to and my vpn isnt always the best.
so the information that i do know:
software number: 1.28.707.10
android vr. 4.0.3
anything else that is needed i can post up. thanks for the help

Head to one of the other forums and follow the instructions for flashing a new rom 'to the letter'
http://forum.xda-developers.com/showthread.php?t=1786696 - this is recommended as a decent advanced Rom but there are plenty to choose from.
If you bought the phone and it already had a custom rom on then your device is Unlocked and rooted already....
Just make sure you;
Make a back up of current rom, in recovery.
Place the new rom on your phones sd,
Flash the correct boot.img to your phone whilst connected with usb and in fastboot mode.
Clear cache,wipe data in recovery
Flash your new Rom in recovery
Flash gApps if neccessary
Reboot phone and give a while for first boot to do its thing - perhaps 5 minutes.
Make sure you understand 100% what you are doing before you commit to any flashing beforehand
All the best

You have a pretty old version of firmware anyway. It was released in April. If you want the best stable Custom ROM, you may try ARHD 7.2.2 Just check it here in your search box. If you want to flash it, check if you have CWM. Just turn off your phone, then press volume - button and power (all together), then in white MENU (it is called Bootloader) check if your phone have unlocked bootloader (check for word "unlocked). Then select in menu RECOVERY. If you get in Blue menu you are in CWM recovery. You may flash custom ROMs from there. But any way to flash custom ROM or stock firmware you will need a PC. If you have any questions, just reply here... By the way, as i know all Developers put there ROM's names instead of sowtware version. You may have ROOTED and UNLOCKED phone but still running a stock firmware. Then you need to relock bootloader and flash RUU file (respectivly to your CID version) to get fully stock rom and you can get OTA updates after that.

Wow thanks guys this helps tremendously.
One quick question i see it kinda mixed all over the place but i am assuming i will have to back up all my files and what not for they will all be wiped?
but i guess i gotta do some focused research and i should be good to go soon. thanks again

When you wipe your data all of your apps will be wiped. So when installing a new Rom it will load a brand new set of the 'basic' apps so your phone is functional. There is an app - Titanium Backup - which can be used to backup and restore apps each side of the flashing process - the apps backed up by Titanium are untouched in the wiping process but instead are protected and can be restored as and when you need.
Also pictures / music / video is left untouched during a wipe as this is in a separate section from the 'wiped section'
Sent from my HTC One X using xda app-developers app

will contacts and all that be wiped as well?

jajangmien said:
will contacts and all that be wiped as well?
Click to expand...
Click to collapse
You can back up all your contacts with your gmail account and that will sync when you log in to the new rom. As for messages you can download a range of sms backup apps from google play

cool cool. well i think im about ready to give it a shot. thanks for all the help guys

[Q] newbie question about flashing (koodo 4.0.3)

hi all,
I am about to flash a custom ROM on Koodo S2X for my in-laws, and since this is not my personal phone, it has to be done right at the very first try (I won't have access to the phone as they are leaving the country with it). I am hoping to get some questions answered first. I am newbie with regard to Samsung S2X, but I have flashed other android phones before (LG P500, 930, etc).
The ONLY reason I am flashing a custom ROM is for the Chinese UI. The stock Koodo ROM only has 3 language UI options (French, English, and Korean). Other minor bugs I would like to address are things like GPS fix, but it isn't that important.
I have used "Any Locale" app available in the Play Store, while it may suffice, it doesn't make the entire UI Chinese.
Also, the custom ROM needs to be stable, as this will be used daily.
I thought the following ROM would be suitable:
http://forum.xda-developers.com/showthread.php?t=1849748
This is based on the Koodo ROM. My questions are related to the flashing procedures:
0) I have already rooted the phone,
1) Can someone please confirm that this custom ROM has Chinese locale/UI? If not, can someone please recommend an alternative?
2) What does "fix permission" mean, and how does one perform that? With my own LG P500, it was as simple as wiping and flashing the ROM. Is this the same as under Advanced->Fix Permissions? I am using ClockworkMod Recovery v5.0.2.7.
also,
3) I have downloaded S2 toolkit from http://forum.xda-developers.com/showthread.php?p=26112856#post26112856, installed the .msi, but the program does NOT even lunch (Windows 7, 64bits). any suggestions?
Any help is very much appreciated,

Since that ROM is based on koodo original, I think it has the same languages as the original, so no chinese. I'm using Darthstalker V3 ROM and IMO it's the best daily driver rom. I've attached a screen shot of the languages in it below so you can see if it has chinese support. If you are going to flash a new rom, I would highly recommend switching to TWRP recovery as CWM is known to cause serious issues on our phones. Also, you can try the app called MoreLocale 2 and see if it works for you.
hope that helped

mikec_ca2 said:
hi all,
I am about to flash a custom ROM on Koodo S2X for my in-laws, and since this is not my personal phone, it has to be done right at the very first try (I won't have access to the phone as they are leaving the country with it). I am hoping to get some questions answered first. I am newbie with regard to Samsung S2X, but I have flashed other android phones before (LG P500, 930, etc).
The ONLY reason I am flashing a custom ROM is for the Chinese UI. The stock Koodo ROM only has 3 language UI options (French, English, and Korean). Other minor bugs I would like to address are things like GPS fix, but it isn't that important.
I have used "Any Locale" app available in the Play Store, while it may suffice, it doesn't make the entire UI Chinese.
Also, the custom ROM needs to be stable, as this will be used daily.
I thought the following ROM would be suitable:
http://forum.xda-developers.com/showthread.php?t=1849748
This is based on the Koodo ROM. My questions are related to the flashing procedures:
0) I have already rooted the phone,
1) Can someone please confirm that this custom ROM has Chinese locale/UI? If not, can someone please recommend an alternative?
2) What does "fix permission" mean, and how does one perform that? With my own LG P500, it was as simple as wiping and flashing the ROM. Is this the same as under Advanced->Fix Permissions? I am using ClockworkMod Recovery v5.0.2.7.
also,
3) I have downloaded S2 toolkit from http://forum.xda-developers.com/showthread.php?p=26112856#post26112856, installed the .msi, but the program does NOT even lunch (Windows 7, 64bits). any suggestions?
Any help is very much appreciated,
Click to expand...
Click to collapse
I-f you`re using CWM Recovery other than 6.xx, you must also use Darkside Cache Script. I recommend using TWRP recovery instead of CWM.
-As for S2 ToolKit, it doesn`t launch because you must run it as an administrator -- this usually fixes the problem.
-Fixing permissions can be done in the recovery.

Thank you both for the quick reply. I have flashed the ROM using CWM Recovery. The only problem is that it doesn't reboot/shutdown properly, i.e. the screen is off but the buttons stay lit.
I than switched TWRP using the dd command, re-flashed it and the problem was resolved.
cafterg said:
I-f you`re using CWM Recovery other than 6.xx, you must also use Darkside Cache Script. I recommend using TWRP recovery instead of CWM.
-As for S2 ToolKit, it doesn`t launch because you must run it as an administrator -- this usually fixes the problem.
-Fixing permissions can be done in the recovery.
Click to expand...
Click to collapse

[Help Thread][GT-I9082/L] Ask Any Question , Noob Friendly

[SIZE=+2]This thread has been created for Questions & Answers/Troubleshooting[/SIZE]​
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Please feel free to share issues, questions and offer help​
Please keep discussion focused, on questions pertaining to this Device
Device Specs:
Size And Weight:
- 5.65 x 3.03 x 0.38 Inches
- 162 grams
Operating System:
- 4.2.2
CPU And GPU:
- Dual-core 1.2 GHz Cortex-A9
- Broadcom VideoCore IV
Screen Resolution and Size:
- 480x800
- 5.0 Inches
Memory:
- 1GB RAM
- 8GB ROM (Only 4GB Usable)
- Up to 64GB Micro SDcard
Connectivity:
- Sync methods: Bluetooth, WiFi And USB.
- 3G Capable
- GPS
- Audio and Multimedia
Camera:
- Primary: 8MB
- Secondary: 2MB
Unique Features
- S Voice
- Smart Stay
- Pop-up Play
- Best Photo
Frequently Asked Questions
Q: Why didn't i get update for Android X On My Phone?
A: Because OEM didn't release that update for our phone, Luckily We can flash "Custom ROMs" For our phone to upgrade it to newer Android Version, Or just Tweak/Mod Current Android Version
Q: Wait Wait, I'm A Noob, What is the meaning of all of those things ( Custom ROMs , Flashing , OEM , Tweak) ?
Dev:
Developer:
A man or woman who create (develop) software.
ROM:
1. A modified version of the Android operating system.
2. Read Only memory, Means that it can be modified with Difficulty or not Modified at All
AOSP:
Android Open Source Project, a project by Google. Its Basically Android System without any modifications , The Open Source Part means that any Developer can modify it and use it and share it ( as long as he don't gain money from it )
CM:
CyanogenMod:
A free open-source project based on the AOSP. It is a Modified Version of android.
Firmware:
a piece of software to make hardware function correctly. This can refer to Radio Firmware, but is normally used as another name for ROM made by certain Company
Stock:
Means unmodified Version of something ( Like: i Flashed Stock TouchWiz ROM )
Radio:
1. (don't confuse with Radio Firmware) A piece of hardware that allows communication. There are 3 main radios in your phone. Bluetooth, WiFi and GSM/CDMA.
2. The lowest part of software layer is the radio: this is the very first thing that runs, just before the bootloader. It control all wireless communication like GSM Antenna, GPS etc.
Radio Firmware:
type of software that allows correct communication with the radio and the operating system. A newer firmware would normally improve battery life and call quality. The radio firmware only applies to the CDMA/GSM radio.
CDMA/GSM:
A type of network communication between phones and carriers. GSM phones normally are included with SIM Cards that authorize them onto the network. CDMA have this authorization built in and do not need a sim card.
Bootloader :
The bootloader is code that is executed before any Operating System starts to run. Bootloaders basically package the instructions to boot operating system kernel and most of them also have their own debugging or modification environment. Think of the bootloader as a security checkpoint for all those partitions. Because if you’re able to swap out what’s on those partitions, you’re able to break things if you don’t know what you’re doing. So basically it commands the kernel of your device to Boot the Device properly without any issues. So careful with bootloader since it can mess things very badly.
Kernel :
A kernel is critical component of the Android and all operating systems. It can be seen as a sort of bridge between the applications and the actual hardware of a device. Android devices use the Linux kernel, but it's not the exact same kernel other Linux-based operating systems use. There's a lot of Android specific code built in, and Google's Android kernel maintainers have their work cut out for them. OEMs have to contribute as well, because they need to develop hardware drivers for the parts they're using for the kernel version they're using. This is why it takes a while for independent Android developers and hackers to port new versions to older devices and get everything working. Drivers written to work with the Gingerbread kernel on a phone won't necessarily work with the Ice Cream Sandwich kernel. And that's important, because one of the kernel's main functions is to control the hardware. It's a whole lot of source code, with more options while building it than you can imagine, but in the end it's just the intermediary between the hardware and the software. So basically if any instruction is given to mobile it first gives the command to kernel for the particular task execution.
Recovery :
Recovery is defined in simple terms as a source of backup. Whenever your phone firmware is corrupted, the recovery does the job in helping you to restore or repair your faulty or buggy firmware into working condition. It is also used for flashing the Rom’s , kernel and many more things.
to access it press Volume Up + Home Button + Power Button in the same time.
Flash:
To Install Something(ROM/Mod/GApps) From Recovery/Odin
Odin:
A leaked Tool ( From Samsung ) to flash something ( Mostly Stock Firmware ) to your phone ( but its limited unlike recovery ) and uses download mode to flash
Download Mode:
Its only i samsung devices and its the mode that Odin uses to flash anything.
to access it turn off your phone then press Volume down , Home Button , Power Button in the same time
Bootloop:
Means that something goes wrong while booting the phone so it tries to boot up correctly again and again in a loop.
Brick:
When your mobile is unusable and its Just like a "brick", There is Two types of "Bricks"
1. Soft-Brick:
When you can recover your mobile Easily
2. Hard-Brick:
When you can recover your phone but not easily and Sometimes when you can't recover it
Nandroid Backup:
A Backup Usually made by recovery, And Usually Contains Backups for /system and /data partitions.
Modification:
Mod:
A modification to a part of the phones software. It is also POSSIBLE to mod the phones hardware but is not recommended.
Modding:
To make mod
Modded:
To have mods included in something
Governor:
A system embedded into the kernel to automatically change the current working CPU frequency depending on the workload. It would only go up to what it is overclocked (or underclocked) to, this is called the maximum frequency. It would not drop bellow the (just as easily configurable) minimum frequency.
Overclock:
(don't confuse it with underclock) to exceed the default maximum CPU speed. This could make a phone more powerful but may cause damage. Although no damaged has been reported so far it could still drain battery life.
Underclock:
to change your phones maximum frequency to LOWER than the default to attempt to extend the phones lifespan and battery.
Library's/Libs:
a set of instructions for applications to use to function. A functioning camera lib would allow the camera to be used.
Logcat:
A logging system built into the ADB
ADB:
"Android Debug Bridge" a system that can be accessed using a computer where you can manage the device from. You need the Android SDK to use it.
SDK:
"Software Development Kit" a set of tools used for software development.
WIP:
"Work In Progress"
JDK:
"Java Development Kit" an SDK for the java platform. It is needed to run the Android SDK.
JRE:
"Java Runtime Environment" a collection of binarys and files to allow java software to execute.
Execute:
To "run" or "start" a binary
Binary:
(sometimes called bin's) a group of executable files.
RAM:
Could be one of three meanings:
1. Memory for the CPU to process processes.
2. Random Access Memory, a place where information can be used, executed from, modified, or deleted.
SD:
Short term for MicroSD
KANG:
The process of creating a code based of someone else's code.
APK:
"Android Package" an Android application
Q: Can I easily Brick My Phone ?
A. Yes, However Most of the time its recoverable
And As long as you read the OP And make Sure that the thing that you are going to flash is compatible with your phone You won't brick it "alot" .
Q: So Now What should i begin with ?
A. Firstly, You should know about "Flash Counter".
The flash counter is a binary counter built in Samsung phones that is used by Samsung to basically help identify if you have been tampering with your firmware and flashing unofficial software.
Remember Odin that we talked About in the Third Question?
Each time you flash unofficial firmware via Odin, your binary flash counter goes up by 1.
Q: is there is anyway to bypass that ?
A: No, You can't bypass it, But Odin has a built-in feature to reset the counter "Force Reset Time".
And/or you can use Triangle Away App by Chainfire to Reset it.
Q: How can I Flash Via Odin?
A: Refer To Post #2
Q: So What should i learn next?
A: What is EFS , How to Back it up And How important this Folder is.
You will Find Alot of information about EFS Here
Q: How Can I install A Custom Recovery ?
A: Refer to Post #2
Q: What Can I do with A Custom Recovery ?
A: Make a NANDROID backup of your current setup and restore that backup!
Flash ROMs, modems, kernels, themes, etc.
Wipe data, clear cache, etc.
Q: My Phone is Bootloop-ing After Flashing Stock Firmware Via Odin What Should I Do
A: Boot To Recovery
Wipe Data and Cache
Reboot
Before posting anything, I strongly advise you to read​
Forum Rules
[GUIDE] - XDA New User Guide - Getting started on XDA
XDA Tour
Index For GT-I9082
Please look for a similar [HELP THREAD] when visiting another device forum.
If you would like to create a similar [Help Thread] please Click Here.
​

HOW-TO
How to Flash Via Odin​
Un-rar Odin
Install USB Drivers
Open Odin3 v3.09.exe [ Give Admin Rights if asked ]
Turn Off your phone
Press Voulme down + Home Button + Power Button [ All at the same time ]
After you get Warning Screen press Volume up
Connect the Phone to PC/Laptop
You Should Get A Blue Rectangle And "Added" in Odin
In AP [PDA If you are on older versions] Click On AP Choose the File that you want to flash
Now Click Start And Wait until you get "Pass"
IMPORTANT: Don't Check Anything in "Options" Except F. Reset Time And Auto-Reboot
How To Flash A Recovery Via Odin​
Install USB Drivers [ If you haven't already installed them ]
Open Odin
Turn Off the Device
Press Volume down + Home Button + Power Button [ To boot to download mode ]
After you get Warning Screen press Volume up
Connect the Phone to Laptop/PC
You should get A Blue Rectangle and "Added" in odin
In AP [PDA If you are using older version of odin ] Choose The Recovery File
Un-check "Auto-Reboot" in Options in Odin
Press Start And Wait until You get RESET in Odin
After You get "Reset" Remove the battery from the mobile
put it in the Phone Again and then Press Volume Up + Home Button + Power Button [ To Boot to recovery ]
Flash What you want
Note: This is for Stock users Only , If you are using a custom ROM just use the First Method
How To Flash Custom ROMs By CWM​
Make Sure you have A Custom Recovery
Put the ROM & GApps Zip in SDCard
Boot To Recovery
Choose Wipe Data/Factory and Reset [ Navigate By Volume Buttons and Choose By Power Button ]
Choose Install
Choose /storage/sdcard1
Choose The ROM Zip
Choose Yes
Wait...
Choose the GApps Zip
Choose Yes
Wait...
Back ( Or Something Like That 0
Back Again ...
Reboot Device..
Downloads​
Odin
USB Drivers
Recovery [ Credits : Pawitp ]

Reserved.

Help regarding OTA updates for CM 12
Hey, I have installed CM 12 (unofficial) ROM and I have skipped a few OTA updates. So in order to install them should I install all the OTA updates one by one or should I just install the last one. Have no idea regarding this.
Thanks in advance.

raul.kum said:
Hey, I have installed CM 12 (unofficial) ROM and I have skipped a few OTA updates. So in order to install them should I install all the OTA updates one by one or should I just install the last one. Have no idea regarding this.
Thanks in advance.
Click to expand...
Click to collapse
If you are going to install "Delta updates" ( the ones that OTA App Notifies you about ) then you should flash one by one
if you are going to install the "Full Zip" ( you download it form the site ) then you can just install the latest one.
Download the latest Zip from here

Yousef Mohamed said:
If you are going to install "Delta updates" ( the ones that OTA App Notifies you about ) then you should flash one by one
if you are going to install the "Full Zip" ( you download it form the site ) then you can just install the latest one.
Click to expand...
Click to collapse
Thanks a lot.

So glad you made this thread for our device. I'm really hoping to see your ROM in future. I'll signup for tester if you make one.:thumbup:

NeoLogY said:
So glad you made this thread for our device. I'm really hoping to see your ROM in future. I'll signup for tester if you make one.:thumbup:
Click to expand...
Click to collapse
Thanks for support !

Hey..
I recently flashed my gt i9082 with cm 12.1 and updated my baseband to I9082LUBUBMK1. My phone was running on stock 4.2.2 with baseband version I9082DDUBNB1 and build number JDQ39.I9082XXUBNG3. But after updating the baseband my phone is getting weaker cellular signal and data connectivity. So what should I have to do to solve this? And can you please provide me baseband I9082DDUBNB1 (CWM/TWRP flashable).

Abz.Abhishek said:
Hey..
I recently flashed my gt i9082 with cm 12.1 and updated my baseband to I9082LUBUBMK1. My phone was running on stock 4.2.2 with baseband version I9082DDUBNB1 and build number JDQ39.I9082XXUBNG3. But after updating the baseband my phone is getting weaker cellular signal and data connectivity. So what should I have to do to solve this? And can you please provide me baseband I9082DDUBNB1 (CWM/TWRP flashable).
Click to expand...
Click to collapse
Here is a Collection of Modems
This is Odin Flashable not Recovery Flashable

Hey guys ,
So I rooted my samsung galaxy grand and successfully flashed a custom ROM boasting CyanogenMod v 12 from a YouTube tutorial. But a problem arised when I tried to update it to newer versions from the inbuilt CyanogenMod update option in the settings .After downloading ,I flashed it but my phone got stuck in a bootloop. The Cyanogen droid came ,it said updating apps and stuff(which took a hella lot of tym)and then it restarted again to follow the same procedure . Luckily, I had my previous ROM and backed it up,(losing all my data ,but at that point i was just happy that my phones working again ). My question - why did this happen and whether or not I would be able to update my version ?
( PS -the CM version was 20150418)
Thanks in advance !
Peace out
Sent from my GT-I9082 using XDA Free mobile app

kisame hoshigaki said:
Hey guys ,
So I rooted my samsung galaxy grand and successfully flashed a custom ROM boasting CyanogenMod v 12 from a YouTube tutorial. But a problem arised when I tried to update it to newer versions from the inbuilt CyanogenMod update option in the settings .After downloading ,I flashed it but my phone got stuck in a bootloop. The Cyanogen droid came ,it said updating apps and stuff(which took a hella lot of tym)and then it restarted again to follow the same procedure . Luckily, I had my previous ROM and backed it up,(losing all my data ,but at that point i was just happy that my phones working again ). My question - why did this happen and whether or not I would be able to update my version ?
( PS -the CM version was 20150418)
Thanks in advance !
Peace out
Sent from my GT-I9082 using XDA Free mobile app
Click to expand...
Click to collapse
We can't tell what is the reason for that without Recovery logs and logcat.
However, Try to update using the Full Zip instead of the Delta.
And its Preferable to upgrade to CM12.1 because CM12 Won't be updated anymore.

I'm totally confused with so many roms available . I'm looking for a rom that supports 2sims , stable , nice performance , low battery consume . What do you recommend ?Currently ,I'm using touchWiz V10 but I'm not satisfied with that because of decease in performance after a couple of days working with it .
Thanks

Issue regarding to stock rom .
Hey everyone ,
My phone is currently running on custom rom and I want to flash stock rom but flashing a stock rom does not clear data of internal sd card.
Please help me with that . I want to flash stock rom with all data cleared .
Thanks .

vishal16494 said:
Hey everyone ,
My phone is currently running on custom rom and I want to flash stock rom but flashing a stock rom does not clear data of internal sd card.
Please help me with that . I want to flash stock rom with all data cleared .
Thanks .
Click to expand...
Click to collapse
Flash the stock via Odin
Then when you get to bootanimation ( the animation that comes after "Samsung Galaxy grand duos" Logo )
Remove the back cover and remove the battery then put the battery and the back cover back and boot to recovery
After you boot to recovery, Go and wipe data / factory and reset.
And wipe cache.
And then reboot
hno2005 said:
I'm totally confused with so many roms available . I'm looking for a rom that supports 2sims , stable , nice performance , low battery consume . What do you recommend ?Currently ,I'm using touchWiz V10 but I'm not satisfied with that because of decease in performance after a couple of days working with it .
Thanks
Click to expand...
Click to collapse
There nothing called "Best" ROM in xda, Try ROMs then go install the one that you like
Sent from my GT-I9082 using Tapatalk

Hi,
I am facing strange issue.
When I connect to 2G mobile data, the hardware keys (back button) gets activated automatically. I am not facing this problem on wifi and 3G mobile data. I am using custom ROM but this is not a ROM specific problem.
Any ideas?

Try CyanogenMod 12 ,it's currently the best ROM in terms of stability and performance and you can boast around your android lollipop. I recommend you add some kernel tweaks in your existing ROM and see if there's any improvement. If you want to change your ROM for good there's no better ROM than a Cyanogen

Recovery
Which Recovery is best ? CWM or TWRP ?

Sidrosh said:
Which Recovery is best ? CWM or TWRP ?
Click to expand...
Click to collapse
TWRP has a lot of features that CWM Doesn't have Like Themes, File Manager and its touch.
CWM is a basic recovery.
I prefer TWRP.

I'm following the 'Flash via Odin' steps, however I'm stuck on the AP bit. What is AP? And what file should I be pointing it too?
I've got cm-12-20150627-UNOFFICIAL-i9082 downloaded, however nothing in there is selectable when clicking the AP button, nor can I add that zip itself.

No longer able to boot my Note 2 into recovery mode

1. I started with fully working Samsung Galaxy Note 2 GT-N7100 (Rooted)
2. I'm a newbie to flashing ROM, and read numerous articles to build awareness (and have never used a forum before - so please be gentle!)
3. Installed ClockworkMod Recovery using "ROM Manager"
4. Flashed Slim6 (Slim-6.0.1.alpha.0.1-UNOFFICIAL-20160522-1030) ROM, then Gapps, then re-booted and all OK (Note2 seemed to work fine)
5. Kernel is now3.0.101-Haxynox
6. Spotted (and surprised) that Note 2 no longer rooted (and in particular, want to use Titanium Backup)
7. So, flashed CWM6-root-note2.tar using ODIN, resulting in "Pass"
8. Note2 still not Rooted, and suspect that I should have flashed SuperSu after Slim6 ROM and before Gapps
9. So, tried to reboot to ClockworkMod reccovery using "ROM Manager" but hangs. Tried using VOL+ and HOME and POWER (many times, and for different intervals) but see Samsung logo followed by some "stripes" on the screen (rather like the horizontal hold needs to be adjusted for those that are old enough to remember such things!), but it will not boot into recovery mode.
10. In addition, Odin no longer appears to see the Note2
11. Note2 will boot conventionally, but I'm extremely keen not to have to live without rooting and flashing capability
12. I've searched hard for hints for this particular issue, but would really appreciate some advice, at least so that I don't make my beautiful Note2 any worse (and hope I've not missed any posts that I should have spotted!).
13. Please let me know if I've missed any key information.
Thanks in advance.

Flash the tar version of TWRP for your phone using Odin. You can root by flashing supersu from TWRP.
CWM is very outdated and cannot be used to flash current custom ROMSs.

Many thanks, I've moved over to TWRP and it seems much better.
I also tried to find a more "suitable" (reliable) ROM and chose Resolution Remix, especially as services kept stopping on Slim6.
So now I can get to recovery mode, but still I have issues. Mainly...
a) I've so far failed to flash a compatible Gapps file
b) I've flashed supersu and busybox (Root_SuperSU.0.98-Busybox.1.20.2-signed.zip) but root is still not available. Sometimes I see a "Grant" prompt but it hangs for ages when I grant. The SuperSU app can be seen, but is not responsive. Titanium Backup responds eventually to confirm that Root is not available.
c) Downloading from the Playstore is problematic (sometime very slow to download, usually extremely slow to install - go for a walk type of slow!)
d) Typically the pre-installed applications "stop" shortly/immediately after trying to start them (for example, "Browser", "Clock",...), but then appear after "OK"ing the Close infor box
e) Is my choice of ROM reasonable? And/or is there a ROM which has ROOT "baked in"? (Or, should I go back to JellyBean as being more suitable for a Note2?)
f) Is there some "fine tuning" to the flash process that I need to learn about?
Any hints/tips would be welcome, and many thanks for your initial suggestion to move to TWRP

Is the ROM pre-rooted? If yes, don't flash supersu.
You performed a full wipe, including data, before flashing the ROM?
Phone is running these latest bootloader and modem?
Various versions of gapps are here and flash there version that matches your ROM and processor: http://opengapps.org

Many thanks for your further questions/prompts...
a) Yes, I believe I had done a full wipe before flashing, but haven't touched bootloader and modem so they may well be "old"
b) More reading suggests that Cyanogenmod 13 is a very popular ROM, so flashed this with TWRP
c) Found that with this ROM there were no issues when flahsing openGapps
d) Eventually discovered/realised that CM13 is pre-rooted (but has to be enabled in Settings) and that flashing supersu was causing problems
So, with the benefit of hindsight, if I'd used TWRP/CM13/OpenGapps without flashing supersu, it would have been straightforward! I've certainly learned a lot and you supporting questions have led me to what seems to be a nice, stable implementation of Marshmallow - thanks again.
I'm still looking for a quick/easy way to take a screenshot (just used a palm-swipe before), and a free "real" FM radio, but pretty much everything else works.
Great!!!

Glad you got the phone working on CM. We're all here to help and learn from each other.
Last time I looked, which was a while ago, there was no custom AOSP or CM rom that supported radio functions. If you want the FM radio, look into custom ROMs based on a stock Samsung kernel.

Need help with a custom rom

Hi all I'm needing some help, I've been reading through both original and android development sections and looking for the best rom for the Samsung T705. Currently I have rooted my device from Stock using CF-Auto-Root-klimtlte-klimtltexx-smt705.
Although this allows my device to have full root access, it keeps the device as stock as possible. However I have noticed that the battery usage is terrible on this device and that's even with power saving mode enabled. Also switching between apps sometimes lags and is full of Samsung bloatware.
I'm looking for a reliable custom rom that is designed to improve battery consumption and remove all the Samsung bloatware. Their are many roms to choose on this site but don't know which is the overall most favourite or most reliable.
Finally, if I go ahead with a chosen rom when it comes to installing, it is recommended to backup the current rom and install using a recovery tool installed to the tablet. With me using CF-Auto-Root-klimtlte-klimtltexx-smt705 rom no recovery rom has been installed to my tablet as I installed this rom using origin via PC. How can I install a recovery rom on my tablet before installing a custom rom/kernel?
Manny Thanks