As i told you people in previous post that i gonna tell you about flashing new ROMs in my next post, and this is that next post in which i gonna tell you something about flashing and how to flash your new ROMs.In next two paras I've written something about flashing and custom ROMs which is only for newbies who are new to flashing ROMs so people who have idea about custom ROMs & flashing can skip it.
If your optimus gets bricked while flashing recovery, to unbrick it follow this link: http://boutoptimus.blogspot.in/2014/01/unbrick-bricked-optimus-one-fastboot.html
After rooting your phone you wouldn't have felt much difference in your phone its because your phone has the same stock ROM which ever provided by the developer. So to feel that difference that freshness of your phone you have to install new ROMs(custom ROMs) its nothing but flashing. When you install a new ROM on your phone you'll feel as if your holding some new phone in your hand .
So now thinking what are custom Roms ? I'll tell you about it! A custom ROM is a fully customised version of the OS, it's customised by someone in a different way,anyone can customise it even you can also but for that you have to know certain things & its a long process, so lets not discuss about it. So what does the customised part mean? Since Android is open source, developers are free to take stock ROMs, modify them, strip them of garbage, optimise them, add things and pretty much do whatever modifications to make better than stock ones.
Now why you want to install new ROMs on your phone ?
1) Custom ROMs are much faster, more smother,much efficient and use less memory because the developer will rip out useless garbage apps which are pre-installed by the developer.
2)You can upgrade to a version of the OS that has not yet been released for your device or never will be like see for my lg optimus one users there will be no official update of V 4.0.x (ice cream sandwitch) & V 4.x.x (Jelly Bean) for there phone because ICS & JB ROMs need 1GB RAM to run efficiently on the device but as we all know optimus one has only 512 MB RAM. So Cyanogen Mod(CM), one of the most respected Android developers created custom ROMs CM 9.0.x & CM 10.x.x based on those ICS & JB ROMs so optimus one users can enjoy the feel never released ICS & JB. Not only cyanogen there are many android developers who develop many custom ROMs for our phones.
3)Most custom ROMs nowadays come with the ability to install applications to the SD card, called Apps2SD or A2SD ( if you want to know about Apps2SD click here).
As the flashing comes with so many good sides even it comes with some down sides.
Now lets see some down sides of flashing ROMs
1) if the instruction of flashing is not followed properly you might have the risk of getting your phone bricked which can be unbricked by certain procedures & softwares, so don't be scared nowadays the chances of bricking phone are pretty low, and most of the time you can restore it back to normal (my phone was bricked only once in last 3 years of flashing numerous times, i even unbricked by following some articles on Internet there are so many articles available on Internet to unbrick your phone so cool ).
2) it'll void warranty.
3) Custom ROMs could have bugs but don't worry as the new ROM's are constantly updated & newer bug free version of that ROM is released so take time to notice the info's & bugs of the ROM which will be mentioned just below that particular ROM.
Now lets see how to flash the custom ROM's, before that, if anything goes wrong with your phone during this process i will not responsible.
# for newbies, this is important(don't skip this)
>Flashing recovery on your optimus one:
Before flashing custom ROM's you must install the recovery(this is most important) i suggest you to use Clockwork mod Recovery (CWM) most of them use it including myself, so here is the step for that:
1) Open Android Market Search for “ROM Manager”.
2) Download it (it will install by itself), now launch the CMW app which got installed,
3) Press the “Flash Clockwork mod Recovery” option.
4) Popup appears, asking for your device, select “LGE Optimus One”.
5) Another popup will appear giving two options for the basebands:
- LG Optimus One (This is for new baseband)
- LG Optimus One (Old BB) (This is for old baseband)
- LG Optimus One (This is for new baseband)
- LG Optimus One (Old BB) (This is for old baseband)
I would advise you to select Old BB recovery as its more stable; new baseband may result in semi-brick(most people have experienced it), so for safer side select Old BB.
6) Make sure to have a completely stable wifi/ 2G/ 3G data connection.
7) When the downloading by the rom manager is complete, it will ask for the root permissions, select “allow”. This will grant Rom Manager the root permissions to flash the recovery.
8) Now when its done, a popup will appear <Successfully flashed Clockwork mod recovery>
9) Hit “OK” and you are done with flashing the recovery.
10) In order to make sure that everything went well; either select “Reboot Into Recovery” option in ROM manager to boot into CWM recovery
7) When the downloading by the rom manager is complete, it will ask for the root permissions, select “allow”. This will grant Rom Manager the root permissions to flash the recovery.
8) Now when its done, a popup will appear <Successfully flashed Clockwork mod recovery>
9) Hit “OK” and you are done with flashing the recovery.
10) In order to make sure that everything went well; either select “Reboot Into Recovery” option in ROM manager to boot into CWM recovery
ORshutdown your device, press the home button + vol down + power button together until your phone boots into recovery & it looks like this :
Yippee..! Feel happy now the recovery is installed on your phone. now you can flash custom ROMs & its not necessary to install recovery the every time when you flash a new ROM.
Flashing new ROM(custom ROM):
lets start flashing new Roms, ya i want you to know that this guide can be used to flash any kind of ROMs available on the Internet.
1) Download the required ROM file & it's gapps file(it contains google market & other apps like radio, google search bar etc.. because most of custom rom's wont come with any of the google apps).I've added some ROMs and gapps files in this post & they are at the end of this post download from there.
2) Now shut down your phone and boot into Recovery by pressing the Volume Down, Home and Power buttons together
3) You can move through the options using the volume up/down keys.
4) Use the Search button to select the option(search button is the hard button which is at the bottom right side of your phone) and back button to exit the entered option.
5) In the recovery menu, select Backup and Restore, then select the ‘Backup’ option.
6) What this will do is backup your current ROM on your SD card, if something goes wrong while flashing the new ROM you can simply boot into recovery and restore your previous ROM using the Restore option.
7) Connect the phone to your computer and inside Recovery main menu click the option ‘Mounts and Storage Menu’ and then ‘Mount USB Storage’. This will unmount the SD card so that you can see it in your computer.Back up the data on your SD card if you are partitioning your SD card.
(optional: Though it is not a necessary to partition SD card but still if you want means you can partition your SD card to create swap and ext partitions.Partitioning will format your SD card so back up the things on your SD card to do it follow "step 7".Go back to the recovery menu again and select ‘Advanced’ and then ‘Partition SD Card’. Then select ‘Partition SD’. Create a swap partition of size 0M and ext partition of size 512M.After partition go back to recovery main menu(start page of recovery) click the option ‘Mounts and Storage Menu’ and then ‘Mount USB Storage’. This will unmount the SD card & SD card will be visible on your computer. )
8) Inside the SDcard create a folder named 'SSS' and copy the ROM and the downloaded GAPPS you downloaded in Step 1 into the folder 'SSS’ on your SDCard. Once done, eject the SD card and toggle USB again to mount the SD Card in the phone again.
9)Go to the main recovery menu and follow the below steps one after another to wipe data, cache and system.
‘Wipe Data/Factory Reset’ –> Yes
‘Mounts and Storage’ –> Format /system –> Yes.
‘Mounts and Storage’ –> Format /boot–> Yes.
‘Advanced’ –> Wipe Dalvik cache –> Yes
The final step is to go to select Install Zip from SD Card –> choose zip from sdcard and then select the zip file that you just copied in the previous step.
10) Now phone starts unzipping & installing the ROM, now be patience after installation recovery shows that flashing is complete, now follow the same process again to select the GAPPS zip and flash it.
All done, reboot phone from recovery. The first boot will take quite some time so be patience.After that booting you'll see the magic & feel your phone ;-)
Thanks for following my post
ROMs and its GAPPS
>cynogen mod 9.1.1 and its gapps.
>cynogen mod 10.1 and its gapps
If your optimus gets bricked while flashing recovery, to unbrick it follow this link: http://boutoptimus.blogspot.in/2014/01/unbrick-bricked-optimus-one-fastboot.html
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