Please enable JavaScript.

Coggle requires JavaScript to display documents.

Case Study: Samsung Galaxy Note7 (Engineering (Perspective (Engineer's…

- - - - Battery faults
        
        Testing
        
        Accelerated testing, all in-house instead of 3rd party organization -M.Crowley
        
        conflict of interest
        
        testing quality v release schedule
        
        Development testing factors, can only pick 2
        
        Cost
        
        Schedule
        
        Development
        
        Rushed to meet deadlines
        
        Production Battery Issue
        
        Battery Testing
        
        Multiple Batteries
        
        Battery A - In-house Samsung Battery - Fails and gets shut down
        
        Battery B - switched to CATl/ATL to produce a ton more batteries. Over manufacture
        
        Multiple Problems
        
        multiple manufacturers
        
        Amperex Hong Kong battery (CALT/ALT)
        
        Suffered a manufacturing defects
        
        In welding: Weak Separate between + and -
        
        missing insulation tape entirely
        
        testing was done before mass production, may have affected quality
        
        in house battery (from Samsung SDI)
        
        Pins Bending
        
        Weak Separate between + and -
        
        1 more item...
      - CODE OF ETHICS: Do no harm
        
        Mitigate chance of failure
        
        comes down to management
        
        Can make it safe for X
        
        can make it much safer for X much more
  - - - Pre-release testing Review: were there similar symptoms?
        
        Batteries
        
        Phone Itself
- - - - Note7
      - Note Fan Edition (FE)
- - - - August 31, 2016 Samsung delayed shipments
      - Shortly after release: smoke coming out of phones
    - - Oct 18, 2016 McCuneWright LLP
    - - US Release Aug 19, 2016
      - Aug 2, 2016 Initial Launch
        
        Wanted to get to market before iPhone7. iPhone7 plus was a direct competitor within "phablet" phones
  - - - 1st informal Sept 2, 2016
      - U.S. recall Sept 12-15, 2016
        
        Consumer Product Safety Commission
        
        Re-issued with Amperex Tech Limited (CATL/ATL) batteries, used in iPhones
        
        Oct 5, 2016: flight from Louisville w replacement
        
        Oct 7, 2016 fire in Minn
        
        Oct 4, 2016 Kentucky man hospitalized
      - Worldwide Recall Oct 10, 2016
        
        Sept 13, 2016: Software Patch in South Korea to cap battery at 60%
    - - July 2017 - Note Fan Edition / note 7R (only released in South Korea, select countries of Asia)
    - - All future battery products subject to enhanced 8 point inspection and testing protocol
      - Advisory board of academics
  - - - U.S. Federal Aviation Admin and Dept of Transportation's Pipeline and Hazmat Safety Admin banned Note7 from airlines, even when off
      - Qantas, Virgin Australia, Garuda Indonesia, Transport Canada
      - Nov 4, 2016: New Zealand Telecomm Forum bans on local mobile networks, IMEI blacklist
        
        Nov 30, 2016: Samsung announced banned from Australia wireless
      - Verizon refused update, then did, then rerouted calls to threaten customers to return the phones
    - - Unclear msging on safety of device
      - slow comm w US Consumer Product Safety Commission (able to recall in U.S.)
      - Wired.com believed the switch to non-removable batteries was to mirror Apple's industrial design (removable on previous samsungs)
        
        design decision exacerbated the battery issues since the entire phone had to be replaced
      - Oct 18, 2016 McCuneWright LLP sued and proposed a class-action lawsuit over the handling of the recall: failed to reimburse consumers for monthly costs assoc w owning note7