This One Is for CM-13.0 Users who has just updated ROM to latest build and having Issue with Google account  and play service got lost.

Steps to follow

1. On your phone open browser and search for google play service apk
2. Chose the link with 8.3.0.x.x download the apk don't click on install from google Play. Here is link  if you don't love to search.
3. Install it after download finishes. ( you may need to enable install from unknown source in setting)
4. After installation you may got stop error from google play service or any other google app.
5. Just reboot your Phone.
6. After reboot you will get notice to update google play service just do update.
7. It will ask to enter your google account please do give it. Once update is finish.
8. Your Phone is Back to normal.
9. Now enjoy updated ROM with android 6.0.

Hi Guys Here Is My latest work for Our OnePlus One.
I had started Compiling ROM from Source My latest One shared Is FLexOs
Here is My XDA thread 


Here Is Many Other Links
 Bacon Root Tool Kit  Download link
 Gapps latest 
Cyanogen OS 12 Latest Released Full  

For Those who are Having touch unresponsive after upgrading to CM12

• Update your Firmware manually via Recovery download firmware from Here
• For those who don't know how to go in to recovery 
• first power off your phone than press power button along with volume down button to go to recovery. In Recovery flash downloaded zip file. 
• Than check most probably your problem will be sorted out.
• For those who love to have latest software should go for My compiled CM-12.1 source built ROM  from Here 
• 1st flash firmware than flash ROM  than flash Gapps Slim or Banks
• flash Super SU  for Rooting your Phone. get it from here
• Use holo launcher Hd I prefer it over  default CM or Google now Launcher. For it's far batter response and customization option.
• Note Those who don't love to to take this much pain can just try getting holo launcher hd from Market. 
• Please do Report the weather and what has helped you or not.

Here Is link to all Latest download for One Plus One Official ROM and simplest Tool to Use

Recovery from here This one is latest 2.8.6.0
Latest Bacon Root tool-kit form WUG here 
Latest Cyanogen OS 12 from Here
Latest Oxygen OS From Here
Latest Usb Driver from Here

If you wants to go back Use Bacon root toll-kit to perform the Task For you.
Manual Link to Latest 11s Is Here
Latest fimware Download from HERE

Installing Xposed On lollipop

1. This For Custom /rooted ROM with Recovery Installed.
2. Download Zip File Form Here  (This assumes you know what is X posed  and it is yet in Alpha stage for Lollipop) 
3. Reboot you phone to recovery
4. Install zip in recovery Reboot phone
5. Install xposed installer apk form Here if not downloaded yet. Install it.
6. Open the Installer check the framework it should Show like this below active  means Xposed installed. .
   
    
7. Next Go to download and select the Modules you want's to install (Compatible modules for Lollipop)
8. activate your modules you wants to use.
9. reboot your phone.
10. Then check Modules and further configuration you need to be Done. Now you have working Xposed on Lollipop.

Deep Slip Issue With recent Lollipop ROMs

With Recent Update In Google Play service and CM 12's nightly most of the device and ROM based on CM12 is not going to deep slip as they were going earlier. 

There Some workaround for That if you are having that Issue.

1. You can just freeze the Google play service by titanium backup like tool but this may have some repercussions like  hangout may not work properly or stops working or apps relying on Google play service may stops working.
2. If your ROM has got wake lock blocker you can just prevent it with help of that just enable it and set it to block Google update service and Google Play service. 
3. 
   
4. This must be present in each ROM privacy In settings just click it it will open its menu open Privacy guard  go to advance like below snap 
   
5. Than open Google play service here you can disable wakeup and keep awake your phone. Have a look in snap fro my ROM do test it and decide which one serves your purpose. Don't forgot to disable auto start for Same. it is just below keep awake.
   

I would Like to give Thanks to gil80  has given this suggestion of privacy setting  

SeLinux Permission Setting With Lord Boffela's  App

Open Boffela Config app
Do un check SeLinux strict Like in Below snap

Than Click on three Down Arrows open settings Kernel startup action (restart required) Like  Below snap

After That Start with SeLinux permissive  check box click on it  it should turn like Below snap After that Reboot The Phone Many apps like viper4android needs this.

How To Use (enable) Viper4Android

1. Open Viper4Android App It will ask you to Install Driver Install it you need to have Rooted device to install driver otherwise it will not work
2. Install drive of your choice from the list. Let it should got installed.
3. Reboot Phone 
4. Start using it.

If you open the Viper4android and it ask again to install driver means either you don't have proper rooted phone or either your ROM or Installed kernel is not allowing to install driver.

1. To check that Go to about phone scroll down till end and check Selinux status it should be Permissive other wise it will not let any other app to install drivers.
2. If it is not Permissive than you have to use Third party app like Selinux Mod changer  to do that . If you are using Custom kernel you can use their managing app to do the Same.
3. Attaching Snap how it should look

Steps to Over Come from boot loop .

1. Reboot to recovery by holding volume down button.
2. In recovery take Backup specially data partition.
3. than factory data reset from wipe menu
4. advanced wipe wipe system and cache. In Some Case That wan't solve your Issue In that Case Full wipe that is Factory reset is needed 
5. Install ROM
6. Install Gapps your choice I prefer PA Gapps.
7. reboot
8. install nandroid backup restore your data selectivly like call records sms in free version you can restore your apps also .
9. For Restore selectively Use Nandroid Manager app from Play sore. 

There Is Another Method also

1. Hold down Volume down Button while your phone Is rebooting.
2. It will boot to Safe mode which will let you uninstall the nasty app or theme (Nasty App don't used to be nasty but which is not compatible with your ROM some how.
3. Reboot Normally 

Steps To Report Error with Log for New bees

1. Download adb fast boot on your computer from this thread
2. go to phone setting developer options go to debugging enable android debugging.
3. connect your phone with usb cable to computer
4. it will prompt you for authorisation for first time do accept it as trusted on your phone..
5. now open command prompt
6. type adb shell check that you got the $ prompt there. if you got an error device not ready please check that your phone might have connected as MTP device just uncheck that. and try again you should get $ prompt now.
7. after this point any time you can connect your phone to computer and in command prompt
8. just need to type "adb logcat -d > log.txt"
9. along with your error description do attach that log.txt

Alternate

Download Alogcat app from Market (play store) 

And Create Log by that App

The Steps To Have Better Experience With OnePlus One and Latest Lollipop ROMs

Should Follow Bellow Step.

1. Download Latest Cm Nightly Here OR Alternatively step Two
2. Yo can Have Full modem Flash-able zip from Here instead of Full nightly If you do that skip step First and also the 8 to 10 step .
3. Reboot To Recovery
4. Take Backup with Recovery Backup of every thing you can skip cache
5. Reboot phone
6. Once again go back to recovery
7. wipe system and cache in advanced wipe.
8. Install CM nightly and Gapps of your choice. (CM Nightly Is for Modem and firmware Update only )
9. Reboot device with holding volume down key this will takes you back to recovery
10. Now go to restore and restore boot and system remember restore Boot and System only
11. Reboot the Phone

Note If You prefer To Take Step 2

You can Follow Bellow Steps

1. Reboot to Recovery Take Backup
2. Reboot again to Recovery
3. Flash Full Modem Firmware update
4. wipe cache and delvik
5. Reboot Phone 

1st Time Installing

You Need To have Rooted and Custom Recovery Installed Phone To Use This ROM
If you are New Just Go To This Thread and Download Wug's Bacon Tool Kit And Follow Instructions.

1. Once Custom Recovery Installed.
2. Download the zip of your choice of ROM
3. Download Gapps I prefer PA 
4. Download Latest Modem/firmware Update for CM12 All other from Lord Boffela
5. WIPE DATA/FACTORY RESET
6. Install Modem/Firmware Update 
7. Install the update zip from recovery
8. Install gapps
9. Reboot Phone wait for while Some ROM may take longer to Boot for first time.
10. Enjoy New ROM

Here Is My Compiled Bean Stalk ROM Thread