[Android Q&A, Help & Troubleshooting] ako_a14:
Hope This helps

Caution MAKE SURE TO BACKUP YOUR IMEI AND MAC ADRESS AND BLUETOOTH ADRESS

Note : Step 6 and 7 can be shortcutted by Pressing on the hard reset button while/while not connected to PC

: this will erase all data on your internal memory, so keep all the data you wanna back up in PC or External SD card and remove it (just to be safe)

ok, so

Step 1 google A1000F_A412_01_23_130822_ROW_USER, you should find it in 4shared(dot)eu

Or http://www.4-shared.eu/download/bt6fqlKPInMXDN3q7CPuW1/A1000F-A412-01-23-130822-ROW-USER.html

Step 2: once you finish downloading, extract it, then go to the FlashTool folder and look for FlashTool.exe

Step 3, once you open FlashTool.exe, Click the checkbox DA DL All with Checksum

Step 4 Now load scatter file MT6577_Android_scatter_emmc (located in A1000F_A412_01_23_130822_ROW_USER Folder, it will be the only file show other than the flash tool folder)

Step 5 now click Format> Format All partition except Bootloader > validation > ok

Step 6 Now connect your USB to MiniUSB (charger cord) to the computer but DO NOT PLUG IT YET TO THE PC

Step 7 now hold down on your Up volume button and wait 10 sec. then plug it into pc

Step 7.1 (not really) the loading bar on the bottom of SP flash tool should turn red and other difirent colors, once its finished, there should be a popup saying OK, Close it and youre done

Step 8: now Click on download, after you download, look at Step 6 to 7.1

Step 9 IF the device fails to boot, download this ( will put link to A1000F fix tool)

Step 10 press the hard reset button (besides SD card slot) or Follow Step 6 to 7.1

Step 11 Boot UP

To install TWRP 2.5 ( Found it in lenovo russian forums) (Tested the file) (worked for my IdeaTab A1000-F)

Step 12 Download From This (Direct Link) http://lenovo-forums.ru/Files/OS/Tablets/A1000/Custom/A1000T_TWRP_v2.5.0.0.zip

Step 13 Extract it

Step 14 IGNORE the included scatter file from the TWRP download (had problems with it) and follow Step 4

Step 15 On the loaded files from Scatter file, look for recovery ( 7th File), Click on it, there should be a file explorer pop up

Step 16 On the file explorer pop up, look for the A1000F_TWRP_v2.5.0.0 folder you just extracted AND then click on the recovery.img found inside

Step 17 Now Choose Firmmware -> Upgrade and do Step 10

TO ROOT WITHOUT PC (must do step 1-17)

Step 18 Boot to recovery (hold power button + up volume button AT THESAME TIME)

Step 19 You should be at TWRP recovery, Tap on Reboot>System and there should display a warning about the system not being rooted, and it should prompt you to slide to root, SLIDE IT, it should reboot automatically

Step 20 in your app drawer, look for SU installer and click on it,Your going to be prompted to innstall SU via playstore or via TWRP (i did it via TWRP bacause im lazy, and the system apps are updating, but your free to do otherwise) it should reboot, and vioala, your rooted

To Update Firmware

Step 21 Open SuperSU>settings>scroll down>enable pro (SuperSU should restart) then Open SuperSU again>settings>survival mode

Step 22 Download This (download 1) (will update to put link) and this https://play.google.com/store/apps/details?id=de.mkrtchyan.recoverytools

Step 23 Open the Rashr Flasher tool you just downloaded from playstore and find Download 1 then navigate Download 1 file location (Named Recovery Folder) > Stock and tap on the recovery img

Step 24 download and install the Update from Settings>about tablet>Firmware Update (make sure you have enabled survival mode in super Su, or else you will loose root privilages)

To go back to TWRP

Step 25 just use the Rashr Recovery tool and go to download 1 file location (named Recovery Folder) > TWRP and tap on the recovery img