I've made this thread to help people who have some problem and make new threads instead of searching the common questions. In my next post I will start posting the FAQ's and since it's not possible for me to be online 24/7 so it may take sometime but i will keep updating it. And if anyone have some doubts feel free to ask. BTW Ifeel free to PM me if you have some ideas or nice questions to improve this thread
Frequently Asked Questions (F.A.Q.)
- Thread starter sandy7
- Start date
Q1: I get bootloop after installing a custom rom. What is the problem?
A: Have you done everything correctly?
-Firstly post your problem in the ROM thread as the devs there may help you better.
-Check your mobile compatibility with the ROM
-Check if you have installed the correct kernel for your ROM.
-Check whether you have done the correct wipes as mentioned in the ROM thread.
-Some ROMs require formatting system. So if it is mentioned in main ROM thread then you must do it.
-Some releases may require stock rom first before flashing the custom rom. So flash the stock rom and then the custom rom over it.
If nothing works just download the stock ROM for your mobile and flash it using flashtool. This may solve your problem.
Q2: Can you suggest me the best ROM or kernel or something like that for my smartphone cause i'm really lazy to do a bit of searching...?
A: First go here and beware before asking these type of questions again otherwise you will end up with a bunch of people like me mocking you and nothing else.
Q3: I have rooted my phone successfully, now how can I install CWM (ClockWorkMod) Recovery?
A: If you have locked bootloader you can simply install CWM using an app called x-parts from Google Play and install recovery from it. And if your bootloader is unlocked you can simply flash a custom kernel with CWM or some other recovery present in it.
Q4: I have a problem with this ROM and what should I....
A: It's a ROM specific question, better post it in the ROM thread. They will help you better.
Q5: My phone can't boot in fastboot mode. Please help me!
A: Firstly check that fastboot is enabled on your mobile and the correct procedure to go to fastboot mode is by holding back button and connecting to computer via USB.
Q6: WIFI is not working. What should I do?
A: See if it is listed as a bug in the specific ROM thread. If not try custom kernels and if you can get correct WIFI modules flash them. If you're lucky WIFI will work.
Q7: How do I install custom rom/kernel on my mobile?
A: Mihahn has worked really hard on making his guide not because he wants some people asking again and again the same questions instead of using a bit of the "SEARCH" feature.
Q8: What is the safest way to root my phone or unlock its bootloader?
A: There no such thing as safest way. If you do everything correctly you will be successful in rooting you phone and unlocking the bootloader and also [URL="http://xdaforums.com/showthread.php?t=1568792"]Follow this [/URL].
Q9: How to activate MSC(mass storage mode) on CM10?
A: Though this question is of a particular rom but still I've listed it here since many people asked this question. Just go here, thanks the person and perform the steps correctly.
Q10: I did an OTA(Over the Air) update after unlocking bootloader. Now my phone is dead, what should I do?
A: Just go to this thread, thanks the person. Refer to section 6 and download the unbricking package from no.16 of XX.Downloads section, perform the correct steps and most probably your phone will be back to life!
Q11: How do I unlock my bootloader if it says Bootloader Unlock Allowed:No?
A: No one has actually got a 100% working solution since it is because of your simlock, thus you may have to pay for it. You can try WotanServer or Omnius and if you're lucky it will be unlocked and fastboot might be enabled.
Q12: How do I OC(OverClock) or UC(UnderClock) my phone?
A: If your kernel supports the function and if your ROM has inbuilt option for the fuction then you can do it directly from ROM or else you can buy/download apps like SetCPU for your phone and can use it easily to OC, UC or change governer of your CPU. *Playing with your CPU is at your own risk and if you go anywhere wrong your phone might not be able to recover(permanent brick). So if you are a newbie(noob) just stay away from these things*
Q13: How much OverClocking is advised for my phone?
A: Though there are some kernels which provide Over Clocking from 1.6-2 GHz(GigaHertz), but still you should not overclock above 1.2-1.4 GHz for daily use or else your CPU might burn, turning your phone into permanent brick. *I personally do not advise overclocking at all so do everything at your own risk.
Q14: How do I partition my sd-card?
A: Follow this very nice guide given by sayhellotwoheaven. Don't forget to THANK him.
Q15: How does Thanks Meter affect my profile?
A: Thanks Meter actually is not useful in becoming Recognized Contributor/Themer/Developer. It is actually the appreciation you get on you works. Thanks Meter has been made so that members of XDA stop posting just THANKS on threads and thread could be clean and helpful.
Q16: How to be a Recognized Contributor/Themer/Developer?
A: Recognized Contributor is a role intended for members who produce some of the best original and helpful guides for users, as well as helping other users who have problems, in a friendly manner. Recognized Contributors will get a custom user title and the faster ad-free XDA template, as well as access to developer tools currently being created. Any Senior Moderator on XDA can add Recognized Contributors, should you feel deserving of this title.
Recognized Themers are those users who work (often tirelessly) on designing new theme graphics and user interface overhauls for ROMs. Users who aspire to be Recognized Themers should be creating original graphics work for their themes being released, demonstrate a commitment to crediting other users’ work when applicable, and seek the relevant permission in advance from the original creator. Recognized Themers will receive a custom user title and the faster ad-free XDA template, as well as access to developer tools currently being created. Any Senior Moderator on XDA can add Recognized Themers, should you feel deserving of this title.
Recognized Developer, as the name suggest are those who develop really good ROMs, kernels, etc. Anyone who is skillful and publishes his own creation other that just copying and pasting can be termed as recognized developer.
For more details and how to apply for these posts. See this.
Q17: How to add framework mods like skipping track via volume button, small apps, CRT-off animation, etc.?
A: See this very beautiful guide
Q18: How to Decompile/Recompile ICS apk files?
A: Here is a great guide by stalin salu. Just follow that and you can very easily do it. Just don't forget to give him THANKS.
Q19: What are Governors and I/O Schedulers, etc.?
A: See this very good guide by zhanjia and anyone can know everything about them.
Q20: My ROM doesn't have x-loud and BE(Bravia Engine). How do I install them?
A: Simply download a very nice app know as Pimp My Rom from Google Play and install it and you can get many tweaks and options in that. It also has an option to download BE and x-loud for your ROM if it's compatible.
Q21: Does ChainFire support my phone?
A: The simple answer is download and use it. But if you are on ICS/JB I would recommend you not to use it as it may most probably result in bootloop. ChainFire is compatible only upto GB.
Q22: Why does my phone say Bootloader Unlock Allowed: No?
A: It's most probably a simlock. The mobile you bought has a simlock of the particular company whose SIM is being used. Normally the companies used to provide the unlocking code after sometime but now I think it won't be provided from now since simlock unlocking has become illegal. But you can break your simlock through WotanServer, Omnius or some local shops.
Q23: Can you tell me how does thanks meter increases with regard to number of thanks?
A:
0-25
26-50
51-100
101-200
201-1000
1001-2000
2001-5000
5001-8000
8001-10000
10001 onwards
There is a bug with meter it doesn;t shows 5 bars. Anyways the thanks meter doesn't judge anyone or status of any member. It's the works, his contributions and help he does.
Q24: What are BB Codes and what BB Codes can I use in my thread?
A: Mainly every kind of text formatting that we do in XDA thread is governed by BB codes. Here is the list of all the BB Codes we can use in XDA and explanation of each code.
Q25: Is there anyway to mount my sd-card using CWM recovery?
A: Yes! Many versions of CWM support mounting sd-card through it. For that go to Mounts and Storage->Mount sd-card and you're done! But remember if you press back button then your sd-card will unmount instantly.
A: Have you done everything correctly?
-Firstly post your problem in the ROM thread as the devs there may help you better.
-Check your mobile compatibility with the ROM
-Check if you have installed the correct kernel for your ROM.
-Check whether you have done the correct wipes as mentioned in the ROM thread.
-Some ROMs require formatting system. So if it is mentioned in main ROM thread then you must do it.
-Some releases may require stock rom first before flashing the custom rom. So flash the stock rom and then the custom rom over it.
If nothing works just download the stock ROM for your mobile and flash it using flashtool. This may solve your problem.
Q2: Can you suggest me the best ROM or kernel or something like that for my smartphone cause i'm really lazy to do a bit of searching...?
A: First go here and beware before asking these type of questions again otherwise you will end up with a bunch of people like me mocking you and nothing else.
Q3: I have rooted my phone successfully, now how can I install CWM (ClockWorkMod) Recovery?
A: If you have locked bootloader you can simply install CWM using an app called x-parts from Google Play and install recovery from it. And if your bootloader is unlocked you can simply flash a custom kernel with CWM or some other recovery present in it.
Q4: I have a problem with this ROM and what should I....
A: It's a ROM specific question, better post it in the ROM thread. They will help you better.
Q5: My phone can't boot in fastboot mode. Please help me!
A: Firstly check that fastboot is enabled on your mobile and the correct procedure to go to fastboot mode is by holding back button and connecting to computer via USB.
Q6: WIFI is not working. What should I do?
A: See if it is listed as a bug in the specific ROM thread. If not try custom kernels and if you can get correct WIFI modules flash them. If you're lucky WIFI will work.
Q7: How do I install custom rom/kernel on my mobile?
A: Mihahn has worked really hard on making his guide not because he wants some people asking again and again the same questions instead of using a bit of the "SEARCH" feature.
Q8: What is the safest way to root my phone or unlock its bootloader?
A: There no such thing as safest way. If you do everything correctly you will be successful in rooting you phone and unlocking the bootloader and also [URL="http://xdaforums.com/showthread.php?t=1568792"]Follow this [/URL].
Q9: How to activate MSC(mass storage mode) on CM10?
A: Though this question is of a particular rom but still I've listed it here since many people asked this question. Just go here, thanks the person and perform the steps correctly.
Q10: I did an OTA(Over the Air) update after unlocking bootloader. Now my phone is dead, what should I do?
A: Just go to this thread, thanks the person. Refer to section 6 and download the unbricking package from no.16 of XX.Downloads section, perform the correct steps and most probably your phone will be back to life!
Q11: How do I unlock my bootloader if it says Bootloader Unlock Allowed:No?
A: No one has actually got a 100% working solution since it is because of your simlock, thus you may have to pay for it. You can try WotanServer or Omnius and if you're lucky it will be unlocked and fastboot might be enabled.
Q12: How do I OC(OverClock) or UC(UnderClock) my phone?
A: If your kernel supports the function and if your ROM has inbuilt option for the fuction then you can do it directly from ROM or else you can buy/download apps like SetCPU for your phone and can use it easily to OC, UC or change governer of your CPU. *Playing with your CPU is at your own risk and if you go anywhere wrong your phone might not be able to recover(permanent brick). So if you are a newbie(noob) just stay away from these things*
Q13: How much OverClocking is advised for my phone?
A: Though there are some kernels which provide Over Clocking from 1.6-2 GHz(GigaHertz), but still you should not overclock above 1.2-1.4 GHz for daily use or else your CPU might burn, turning your phone into permanent brick. *I personally do not advise overclocking at all so do everything at your own risk.
Q14: How do I partition my sd-card?
A: Follow this very nice guide given by sayhellotwoheaven. Don't forget to THANK him.
Q15: How does Thanks Meter affect my profile?
A: Thanks Meter actually is not useful in becoming Recognized Contributor/Themer/Developer. It is actually the appreciation you get on you works. Thanks Meter has been made so that members of XDA stop posting just THANKS on threads and thread could be clean and helpful.
Q16: How to be a Recognized Contributor/Themer/Developer?
A: Recognized Contributor is a role intended for members who produce some of the best original and helpful guides for users, as well as helping other users who have problems, in a friendly manner. Recognized Contributors will get a custom user title and the faster ad-free XDA template, as well as access to developer tools currently being created. Any Senior Moderator on XDA can add Recognized Contributors, should you feel deserving of this title.
Recognized Themers are those users who work (often tirelessly) on designing new theme graphics and user interface overhauls for ROMs. Users who aspire to be Recognized Themers should be creating original graphics work for their themes being released, demonstrate a commitment to crediting other users’ work when applicable, and seek the relevant permission in advance from the original creator. Recognized Themers will receive a custom user title and the faster ad-free XDA template, as well as access to developer tools currently being created. Any Senior Moderator on XDA can add Recognized Themers, should you feel deserving of this title.
Recognized Developer, as the name suggest are those who develop really good ROMs, kernels, etc. Anyone who is skillful and publishes his own creation other that just copying and pasting can be termed as recognized developer.
For more details and how to apply for these posts. See this.
Q17: How to add framework mods like skipping track via volume button, small apps, CRT-off animation, etc.?
A: See this very beautiful guide
Q18: How to Decompile/Recompile ICS apk files?
A: Here is a great guide by stalin salu. Just follow that and you can very easily do it. Just don't forget to give him THANKS.
Q19: What are Governors and I/O Schedulers, etc.?
A: See this very good guide by zhanjia and anyone can know everything about them.
Q20: My ROM doesn't have x-loud and BE(Bravia Engine). How do I install them?
A: Simply download a very nice app know as Pimp My Rom from Google Play and install it and you can get many tweaks and options in that. It also has an option to download BE and x-loud for your ROM if it's compatible.
Q21: Does ChainFire support my phone?
A: The simple answer is download and use it. But if you are on ICS/JB I would recommend you not to use it as it may most probably result in bootloop. ChainFire is compatible only upto GB.
Q22: Why does my phone say Bootloader Unlock Allowed: No?
A: It's most probably a simlock. The mobile you bought has a simlock of the particular company whose SIM is being used. Normally the companies used to provide the unlocking code after sometime but now I think it won't be provided from now since simlock unlocking has become illegal. But you can break your simlock through WotanServer, Omnius or some local shops.
Q23: Can you tell me how does thanks meter increases with regard to number of thanks?
A:
No. of Thanks and meter:
0-25
26-50
51-100
101-200
201-1000
1001-2000
2001-5000
5001-8000
8001-10000
10001 onwards
Q24: What are BB Codes and what BB Codes can I use in my thread?
A: Mainly every kind of text formatting that we do in XDA thread is governed by BB codes. Here is the list of all the BB Codes we can use in XDA and explanation of each code.
Q25: Is there anyway to mount my sd-card using CWM recovery?
A: Yes! Many versions of CWM support mounting sd-card through it. For that go to Mounts and Storage->Mount sd-card and you're done! But remember if you press back button then your sd-card will unmount instantly.
Last edited:
if u guys have Q/A let me know here ill add in the list
Last edited:
Excellent Efforts bro. Too bad, most of the new users doesn't want to read now. All wants quick solution.
MOD should make this as sticky.
Thanks bro...req for sticky..
Will add more Q/A's by tomorrow...
So it will all need info any errors , troubleshooting , bug fixes etc.
Sent from my SK17i using xda premium
michel_666
Senior Member
On Arc it is menu or back button (can't remember which one at the moment). Someone confirm or I will check it at home.
Sent from my Nexus 4 using xda app-developers app
michel_666
Senior Member
It is menu button for xperia arc s for fast boot and back button for flash mode.
Sent from my Xperia Arc S,
Sent from my Xperia Arc S,
I have all the drivers instaled but now the phone going to SAT,Thanks,I meant a new question with your solution (who knows it)
Help required... my phone is not booting in to recovery... i have flashed the recovery via x-parts... every time i command it to boot into recovery... i simply didn't... please advice what should i do?!
p.s. this question is not there in your list too...
p.s. this question is not there in your list too...
CM11 - KitKat
Hi!
I'm currently using the latest nightly version from CM10 on my Xperia Arc, and I was thinking about trying this new build of CM 11.
Can I install it using the CM updater? If not, every time I install a new update I'll lose all the data from my device?
Thanks.
Hi!
I'm currently using the latest nightly version from CM10 on my Xperia Arc, and I was thinking about trying this new build of CM 11.
Can I install it using the CM updater? If not, every time I install a new update I'll lose all the data from my device?
Thanks.
Last edited:
Bluetooth connectivity and xperia home problem
Hello
I'm currently using arc s and have recently installed z1 honami custom rom
Whenever I reboot my mobile first thing that flashes on the screen after the entire reboot is unfortunately,Xperia home has stopped
and a new thing that I noticed is when i turn the bluetooth on it gets paired with the device but when they try to send a file to my phone it says connection failed
I have tried with other devices to checkout if it's my problem or the other device's!!
The same thing happens even with all other devices.
I've tried all the possible ways but can't find a solution
Bluetooth worked fine with other custom rom such as ultimate hd 5.0
Please tell a solution
Thanx in advance
Hello
I'm currently using arc s and have recently installed z1 honami custom rom
Whenever I reboot my mobile first thing that flashes on the screen after the entire reboot is unfortunately,Xperia home has stopped
and a new thing that I noticed is when i turn the bluetooth on it gets paired with the device but when they try to send a file to my phone it says connection failed
I have tried with other devices to checkout if it's my problem or the other device's!!
The same thing happens even with all other devices.
I've tried all the possible ways but can't find a solution
Bluetooth worked fine with other custom rom such as ultimate hd 5.0
Please tell a solution
Thanx in advance
Wipe every thing flash Arc s latest firmware and afterwords install the rom it will help you.
---------- Post added at 10:49 PM ---------- Previous post was at 10:46 PM ----------
its always better to start fresh if you move from one version to another, other wise some leftover data might conflict with the new version and you'll get lag and other issues with your device. but if they mention in their forum that you can just flash the new Cm11 on cm10 then it should not be a problem but i will got for the first one.
---------- Post added at 11:00 PM ---------- Previous post was at 10:49 PM ----------
i had the same problem but my mobile was charging fine,
find any way to charge your battery, insert in another arc or some thing,
computer does not recognize it what did you do before that with your mobile ? ( Ex installed a new rom or something ) you messed up big time
if you do get to charge your mobile you can use another computer to flash official firmware again thats what i did used my another laptop and it worked over there for some reason.
Or
you can place an rom on your sd card and flash it via cwm but in any case you need that battery charge first.
Last edited:
I have a question, I have installed this http://xdaforums.com/showthread.php?t=2545354 and can i flash back official firmware (tft file) ?
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13Q1: I get bootloop after installing a custom rom. What is the problem?
A: Have you done everything correctly?
-Firstly post your problem in the ROM thread as the devs there may help you better.
-Check your mobile compatibility with the ROM
-Check if you have installed the correct kernel for your ROM.
-Check whether you have done the correct wipes as mentioned in the ROM thread.
-Some ROMs require formatting system. So if it is mentioned in main ROM thread then you must do it.
-Some releases may require stock rom first before flashing the custom rom. So flash the stock rom and then the custom rom over it.
If nothing works just download the stock ROM for your mobile and flash it using flashtool. This may solve your problem.
Q2: Can you suggest me the best ROM or kernel or something like that for my smartphone cause i'm really lazy to do a bit of searching...?
A: First go here and beware before asking these type of questions again otherwise you will end up with a bunch of people like me mocking you and nothing else.
Q3: I have rooted my phone successfully, now how can I install CWM (ClockWorkMod) Recovery?
A: If you have locked bootloader you can simply install CWM using an app called x-parts from Google Play and install recovery from it. And if your bootloader is unlocked you can simply flash a custom kernel with CWM or some other recovery present in it.
Q4: I have a problem with this ROM and what should I....
A: It's a ROM specific question, better post it in the ROM thread. They will help you better.
Q5: My phone can't boot in fastboot mode. Please help me!
A: Firstly check that fastboot is enabled on your mobile and the correct procedure to go to fastboot mode is by holding back button and connecting to computer via USB.
Q6: WIFI is not working. What should I do?
A: See if it is listed as a bug in the specific ROM thread. If not try custom kernels and if you can get correct WIFI modules flash them. If you're lucky WIFI will work.
Q7: How do I install custom rom/kernel on my mobile?
A: Mihahn has worked really hard on making his guide not because he wants some people asking again and again the same questions instead of using a bit of the "SEARCH" feature.
Q8: What is the safest way to root my phone or unlock its bootloader?
A: There no such thing as safest way. If you do everything correctly you will be successful in rooting you phone and unlocking the bootloader and also [URL="http://xdaforums.com/showthread.php?t=1568792"]Follow this [/URL].
Q9: How to activate MSC(mass storage mode) on CM10?
A: Though this question is of a particular rom but still I've listed it here since many people asked this question. Just go here, thanks the person and perform the steps correctly.
Q10: I did an OTA(Over the Air) update after unlocking bootloader. Now my phone is dead, what should I do?
A: Just go to this thread, thanks the person. Refer to section 6 and download the unbricking package from no.16 of XX.Downloads section, perform the correct steps and most probably your phone will be back to life!
Q11: How do I unlock my bootloader if it says Bootloader Unlock Allowed:No?
A: No one has actually got a 100% working solution since it is because of your simlock, thus you may have to pay for it. You can try WotanServer or Omnius and if you're lucky it will be unlocked and fastboot might be enabled.
Q12: How do I OC(OverClock) or UC(UnderClock) my phone?
A: If your kernel supports the function and if your ROM has inbuilt option for the fuction then you can do it directly from ROM or else you can buy/download apps like SetCPU for your phone and can use it easily to OC, UC or change governer of your CPU. *Playing with your CPU is at your own risk and if you go anywhere wrong your phone might not be able to recover(permanent brick). So if you are a newbie(noob) just stay away from these things*
Q13: How much OverClocking is advised for my phone?
A: Though there are some kernels which provide Over Clocking from 1.6-2 GHz(GigaHertz), but still you should not overclock above 1.2-1.4 GHz for daily use or else your CPU might burn, turning your phone into permanent brick. *I personally do not advise overclocking at all so do everything at your own risk.
Q14: How do I partition my sd-card?
A: Follow this very nice guide given by sayhellotwoheaven. Don't forget to THANK him.
Q15: How does Thanks Meter affect my profile?
A: Thanks Meter actually is not useful in becoming Recognized Contributor/Themer/Developer. It is actually the appreciation you get on you works. Thanks Meter has been made so that members of XDA stop posting just THANKS on threads and thread could be clean and helpful.
Q16: How to be a Recognized Contributor/Themer/Developer?
A: Recognized Contributor is a role intended for members who produce some of the best original and helpful guides for users, as well as helping other users who have problems, in a friendly manner. Recognized Contributors will get a custom user title and the faster ad-free XDA template, as well as access to developer tools currently being created. Any Senior Moderator on XDA can add Recognized Contributors, should you feel deserving of this title.
Recognized Themers are those users who work (often tirelessly) on designing new theme graphics and user interface overhauls for ROMs. Users who aspire to be Recognized Themers should be creating original graphics work for their themes being released, demonstrate a commitment to crediting other users’ work when applicable, and seek the relevant permission in advance from the original creator. Recognized Themers will receive a custom user title and the faster ad-free XDA template, as well as access to developer tools currently being created. Any Senior Moderator on XDA can add Recognized Themers, should you feel deserving of this title.
Recognized Developer, as the name suggest are those who develop really good ROMs, kernels, etc. Anyone who is skillful and publishes his own creation other that just copying and pasting can be termed as recognized developer.
For more details and how to apply for these posts. See this.
Q17: How to add framework mods like skipping track via volume button, small apps, CRT-off animation, etc.?
A: See this very beautiful guide
Q18: How to Decompile/Recompile ICS apk files?
A: Here is a great guide by stalin salu. Just follow that and you can very easily do it. Just don't forget to give him THANKS.
Q19: What are Governors and I/O Schedulers, etc.?
A: See this very good guide by zhanjia and anyone can know everything about them.
Q20: My ROM doesn't have x-loud and BE(Bravia Engine). How do I install them?
A: Simply download a very nice app know as Pimp My Rom from Google Play and install it and you can get many tweaks and options in that. It also has an option to download BE and x-loud for your ROM if it's compatible.
Q21: Does ChainFire support my phone?
A: The simple answer is download and use it. But if you are on ICS/JB I would recommend you not to use it as it may most probably result in bootloop. ChainFire is compatible only upto GB.
Q22: Why does my phone say Bootloader Unlock Allowed: No?
A: It's most probably a simlock. The mobile you bought has a simlock of the particular company whose SIM is being used. Normally the companies used to provide the unlocking code after sometime but now I think it won't be provided from now since simlock unlocking has become illegal. But you can break your simlock through WotanServer, Omnius or some local shops.
Q23: Can you tell me how does thanks meter increases with regard to number of thanks?
A:No. of Thanks and meter:There is a bug with meter it doesn;t shows 5 bars. Anyways the thanks meter doesn't judge anyone or status of any member. It's the works, his contributions and help he does.
0-25
26-50
51-100
101-200
201-1000
1001-2000
2001-5000
5001-8000
8001-10000
10001 onwards
Q24: What are BB Codes and what BB Codes can I use in my thread?
A: Mainly every kind of text formatting that we do in XDA thread is governed by BB codes. Here is the list of all the BB Codes we can use in XDA and explanation of each code.
Q25: Is there anyway to mount my sd-card using CWM recovery?
A: Yes! Many versions of CWM support mounting sd-card through it. For that go to Mounts and Storage->Mount sd-card and you're done! But remember if you press back button then your sd-card will unmount instantly.1
On Arc it is menu or back button (can't remember which one at the moment). Someone confirm or I will check it at home.
Sent from my Nexus 4 using xda app-developers app1I checked it and it's:
Fastboot - MENU button, blue LED
Flash mode - BACK button, green LED
Sent from my Nexus 4 using xda app-developers app
