Installing and using Safestrap 3.75 (2015)

17 Aug 2015: Currently the newest version is Safestrap 3.75
Cm12 requires safestrap v3.75 (or newer)
XT910: Safestrap-XXXXX-v3.75.apk"]Safestrap-umts_spyder-v3.75.apk
XT912/XT908: Safestrap-XXXXX-v3.75.apk"]Safestrap-spyder-v3.75.apk

See
[Video] How to install Safestrap 3.75 and Android 5.0.2 Lollipop on the Motorola Droid Bionic, Droid 4 and Droid Razr http://www.youtube.com/watch?v=2yMYUXV8FmI
or
Video Installing/Upgrading Safestrap 3.75 and Installing a Lollypop Rom

ROM slots are created on internal SD card


if you have a XT912 or XT894, There is a Modified Safestrap 3.75 for unused partitions (/preinstall & /webtop) by Mentor.37

XT894: http://forum.xda-developers.com/droi...tions-t3023932

XT912: http://forum.xda-developers.com/droi...nused-t3032675

Note: Mentor.37 has removed the Safestrap splash screen, so you must select reboot to recovery from rom or Boot to safestrap from Stock Boot Mode Selection Menu

Basic Instructions
Device needs to be rooted (see Safestrap)
Download safestrap.apk
Place on SD card of Device
Use a File Manager to install SafeStrap

Select a package Installer (Shouldn't matter Which one).

select Install

open Safestrap app
Select Install Recovery
Select Allow on SuperSu Popup
Select Reboot to Recovery

Options for booting to Twrp Reecovery

• In Safestrap App select Reboot to Recovery


• While rebooting select Recovery on Safestrap Splash screen (not included in Mentor.37's)


• Booting to safestrap from Stock Boot Mode Selection Menu
  • Power off, Hold Both volume buttons, Power on,
    release buttons at
    Boot Mode Selection Menu>
    Scroll down with volume down button, to
    BP Tools,
    Select with Volume UP button, should boot directly to SafeStrap (if it's still there).
  
  

Backing up a Rom
Recommend that you backup current rom before installing a new rom, especially if you are going to install over Stock Rom.
In TWRP
tap Backup (on Home screen)

will continue...


Creating a Rom Slot
In Twrp
Select Boot Options
Select a Rom Slot (1-4)
Select Partition Sizes
Sizes depend on Rom, Gapps, other Apps...
Partition Sizes cannot be changed again without deleting Rom slot.
Start with System: 700MB Data: 2000MB Cache: 10MB (For Lolipop)
Selected Space cannot be larger than Free Space
Select Create Rom Slot
This will take Several minutes
screen will likely go black
Don't worry screen time just timed out, tap touch screen to wake.
After rom slot is created, it should be automatically selected.

Installing a Rom
Make sure the Rom Slot you want is selected (see 2nd line from top of Twrp Screen)
Select Wipe>Advanced Wipe>Check Dalvik Cache, Android Secure, Data, Cache, System
Swipe to Wipe
Home screen
Select Install
Select Storage option Internal or External SD card that rom zip is on.
Browse to file and select
Swipe to Confirm Flash
Should take a min or 2 to install, watch for errors
if you see any errors, rom may not boot correct
it may not say successful or complete
when you see Wipe Cache/Dalvik and Reboot options it's done.
Select Wipe Cache
Swipe to wipe
Select Back
Select Reboot
Rom should should boot within 10 mins, if it doesn't something's wrong.