84 Product Model Confidential Notice 13-18 26th September 2013 - This Document cannot be used without Samsung’s Authorization - HHP Android Models except GT-I9300 Android Rooting Check Guide Rev 4.0 Notice No. Notice Date ASC ( Yes ) Customer ( No ) Subsidiary ( Yes ) Subject Scope 1. Purpose To inform all ASCs of Rooting check policy. Note: this notice is applicable for Android OS models except GT-I9300. For specific advice for GT-I9300 please see document: (12-85) GT-I9300 'In Warranty' repair for custom case in the rooting check mode 2. Reason It is necessary to detect an abnormally rooted phone (where phone Operating System has been tampered with) as Rooted handsets are classed as Out of Warranty. 3. Instruction Refer to below procedure to CHECK IF THE PHONE IS ROOTED. This should be done as part of the initial fault diagnosis prior to commencing any repair action. 1) Enter Download Mode on the device and check if rooted. ※ Download Mode: Volume Down key + Home key + Power Key and press Volume Up key. Volume Up Published By [Global CS Team in HQ] ※ This Service Bulletin is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Bulletin can be punished under applicable International and/or domestic law. 

- This Document cannot be used without Samsung’s Authorization - Confidential < Volume Down key + Home key + Power Key > Item Not Rooted(Normal) Product Name Model Name Current Binary Samsung Official SYSTEM STATUS KNOX WARRANTY VOID Official 0x0 < Download Mode > Rooted “Blank” Custom Custom 0x1 ※ If one of the above 4 items is showing the red texts, it should be classed as a rooted phone. (Note: Some devices might not display a ‘System Status’ column.) ※ Ignore ‘Custom Binary Download’ column. (Note : Some latest devices might not display this column) ※ If you replace the PBA (main board) as part of the Out of Warranty repair and then enter download mode, the System Status might show a ‘Custom’ result. The Custom result shown on the replacement PBA is a default value and the correct result will be displayed if you recheck when booting up the device after re-writing the IMEI. The PBAs are normal (i.e. Official), so please download Official S/W and then perform IMEI writing. Published By [Global CS Team in HQ] 

- This Document cannot be used without Samsung’s Authorization - Confidential After S/W download and IMEI writing, it will show ‘official’. ※ Note – it is also possible to check the status of the device in the Settings area of the device: Tap on Apps > Settings > About Device > Status > Device Status: Not Rooted(Normal) Rooted Device Status Normal Modified Published By [Global CS Team in HQ]