◄ Please SUBSCRIBE! ► In this video we will show you how to do soft, hard (factory) reset and how to change firmware in case of forgotten Password, PIN, Pattern drill, or if you phone freezes, not start normally, bricked after bad update, etc (Software Repair). Sony PC Companion will download and install the latest version OS on your device. After Android version 4.4.2 KitKat you can't reset password from the service / test menu (*#*#7378423#*#* - http://youtu.be/5Pc-tAT1Th0 ) because the developers closed this door. Now the only way is with changing the firmware. With SONY PC Companion you can update the firmware of your device and/or erase all private information inside (Include passwords). You can use this technique with every one XPERIA tablet or smartphone. !!! This procedure ERASE - user data (contacts, messages, pictures, music, videos, etc.), settings, applications installed by user, content in internal storage !!! SONY PC Companion: http://www.sonymobile.com/gb/tools/pc-companion/ S1Boot Fasboot drivers: http://fs1.d-h.st/download/00043/O5K/usb_driver.zip If your device have an internet connection and you have installed Google account on it, you can bypass the security or do a factory reset from the Android Device manager: http://youtu.be/9yx_XGgrLVE Fastboot is a diagnostic protocol included with the SDK package used primarily to modify the flash file system via a USB connection from host computer. • Related videos ► Sony Xperia E3 Disassmbly How to Replace Touch Screen Digitizer or LCD Display https://www.youtube.com/watch?v=cgfp4qjnBg0 ►Sony Xperia E3 Disassmbly How to Replace Touch Screen Digitizer or LCD Display https://www.youtube.com/watch?v=cgfp4qjnBg0 ►Sony XPERIA - How to Find Model, Serial, Identification Number, IMEI https://www.youtube.com/watch?v=CGYBeSJSdkg&feature=youtu.be ► Sony Xperia Z, Z1, Z2, Z3 - Tempered Glass Screen Protector Installation: https://youtu.be/O-riCW_Y4Qw ► USB OTG Adapter - How to Connect Mouse, External Drive, Keyboard etc. https://youtu.be/K0OKWVE0wSc ► Sony Xperia Z2 - Disassemble, Touch screen, Glass, Digitizer & LCD Display replacement, repair https://youtu.be/qgkuhEw-CtQ ► Sony XPERIA M, M2, E1, E3, S, SX, C, C3, Z, Z1, Z2, Z3, T - Password, Screen Lock, Firmware Update https://youtu.be/u47fAYa0a4w ► Sony Xperia M2 / M2 Aqua - Touchscreen / Glass / Digitizer, LCD Display replacement https://youtu.be/TpZRy6rl_hc ► Xperia E1, Dual, D2004, D2005, D2105 - Touch Screen Glass, LCD Display replacement https://youtu.be/3gLKbrxeD2o ► 5 Tips & Tricks Sony XPERIA Z1, Z2, Z3 - Secrets, Safe Mode, Hidden Test Menu, Developer Menu, Reset https://youtu.be/Ws4BmZ0Sg5A ► Bypass Password, PIN, Screen Lock on Samsung Galaxy, Sony Xperia, HTC and any Android based device https://youtu.be/9yx_XGgrLVE ► Sony XPERIA Z / Z1 / Z2 / Z3 - Password, Screen Lock removal, Soft, Hard Reset https://youtu.be/zkA4uCYTPFM ► Bypass Password, PIN, Screen Lock on Samsung Galaxy, Sony Xperia, HTC and any Android based device https://youtu.be/9yx_XGgrLVE ► Sony XPERIA Z - Touch Screen Glass Digitizer & LCD Display Replacement, Broken Glass https://youtu.be/PhG6Mvxsa1s ► Sony XPERIA Z, Z1, Z2, Z3, E, E1, E3, S, SX, C, C3, T- Service / Test Menu https://youtu.be/SXylKncCw3Y ► Sony Xperia E C1505 C1504 - Touch Screen Glass Digitizer, LCD Display Replacement https://youtu.be/z9_Qglj9PEk ► Sony XPERIA all models / E1, E3, E4, Z1, Z2, Z3.../ - Unlock Network, SIM Lock by Code https://youtu.be/eC5UaFsS6dU https://www.youtube.com/watch?v=qcbBfAyKhvw https://www.youtube.com/watch?v=y9lCxPHLuo0 Sony XPERIA Z1 specification: Available - September, 2013 Chipset - Qualcomm MSM8974 Snapdragon 800 CPU - Quad-core 2.2 GHz Krait 400 GPU - Adreno 330 Display - 1080 x 1920 pixels, 5.0 inches, 16M Internal Memory - 16 GB, 2 GB RAM Primary camera - 20.7 MP, 5248 х 3936 pixels, autofocus, LED flash Video - 1080p@30fps, HDR Android OS, v4.2 (Jelly Bean), upgradable to v4.4.4 (KitKat) http://www.gsmarena.com/sony_xperia_z1-5596.php iFixit manual: https://www.ifixit.com/Guide/Sony+Xperia+Z+-+Password+Removal%2C+Firmware+Update+with+PC+Companion/29080 https://www.youtube.com/watch?v=twry3o3dBHg&ab_channel=ZFix https://www.youtube.com/watch?v=dIpq41LcFzk&ab_channel=ZFix https://www.youtube.com/watch?v=cgfp4qjnBg0&ab_channel=ZFix Music :) Silent Partner - Don't Turn Back Silent Partner - Stalling