Samsung has done good effort to find the cause of spontaneous combustion of its top model. In addition to Samsung themselves of TÜV Rheinland and the testing laboratories conducted UL and exponent investigations. A total of 300,000 note 7 were tested.
Verifying the PIN smartphones was complicated this that the first version as well as the Exchange version of the pen Smartphone with an other battery types were affected. Samsung has built a large loading and unloading loading phalanx for the tests. There charging and discharging cycles were wired and wireless, with and without fast-charge mode, with and without rear cover, and performed with different voltage and ampere values. Also the electrical power for operation of the new iris scanner was measured. In addition, situations of excessive power consumption were sought. The Auditors have used various pre-installed and downloaded apps, even under unusual conditions of the software.
Total technicians about 200,000 Galaxy have taken according to the since the autumn 700 note 7 and more than 30,000 batteries in the deficiency. At the various tests showed both both versions of the Galaxy is a grade 7 as both versions of battery rapid heat development. No discernible correlations to specific test scenarios should have been but it. The investigation of the quality of components, Assembly and logistics showed no errors.