What is the manufacturer's recommended minimum
Today the New York Times reported that Samsung has decided to permanently stop producing the Note 7 smartphone due to problems with the replacement phones.
On October 10, the BBC reported that Samsung temporarily stopped production of the Galaxy Note 7 smartphone due to reports of replacement phones catching on fire. Several phone companies in the U.S. stopped selling this phone or replacing existing phones.
CNN reported that Samsung issued an alert to all Galaxy Note 7 owners to turn off their phones immediately to prevent fires.
September 15, 2016
Today the U.S. Consumer Product Safety Commission issued a recall of all Samsung Galaxy Note 7 smartphones sold prior to September 15 because the lithium ion battery can overheat and catch fire. Canada and Mexico also issued recalls. Samsung has received 92 reports of batteries overheating in the U.S.
To find out more the recall and whether your cell phone battery is safe, see Samsung's recall notice.
September 2, 2016
Samsung has stopped sales on the Galaxy Note 7 and issued a voluntary recall due to potential battery problems. As of September 1, 35 devices have caught fire when charging. Contact your cell phone company for details about the recall.
According to test reports filed with the Federal Communications Commission (FCC), the Specific Absorption Rate (SAR) for the Galaxy S7 for cellular transmission is 0.62 watts per kilogram (w/kg) at the head, and 1.06 w/kg when worn on the body. The wireless router SAR is 0.55 w/kg at the head. The SAR for simultaneous transmission (cellular plus Wi-Fi) is 1.40 w/kg at the head, 1.50 w/kg when worn on the body, and 1.59 w/kg when used as a hotspot. (1)
For the Galaxy Note 7, the SAR for cellular transmission is 0.39 watts per kilogram (w/kg) at the head, and 0.67 w/kg when worn on the body. The wireless router SAR is 0.85 w/kg at the head. The SAR for simultaneous transmission (cellular plus Wi-Fi) is 1.24 w/kg at the head, 1.41 w/kg when worn on the body, and 1.59 w/kg when used as a hotspot. (2A)
The FCC ID number for the Galaxy S7 is A3LSMG930US; for the S7 Edge it is A3LSMG935US, and for the S7 Note it is A3LSMN930F. The SAR values for these smart phones can be found on the following FCC website: www.fcc.gov/oet/ea/.
For tips on how to reduce exposure to wireless radiation, see "Some Tips to ReduceYour Exposure to Wireless Radiation". (18) In short, limit your use of the phone, keep the phone away from your body whenever it is powered on, use the phone hands-free, and turn off transmitters not in use (e.g., shut off Wi-Fi or use airplane mode).
(7) Environmental Working Group. EWG’s Guide to Safer Cell Phone Use: Where is EWG's cell phone database? August 27 2013.
(17) Joel Moskowitz. Brain Tumor Rates are Increasing in the U.S.: The Role of Cell Phone and Cordless Phone Use. http://bit.ly/risingtumors
(18) Joel Moskowitz. Some Tips to Reduce Your Exposure to Wireless Radiation (one page handout). Undated. http://bit.ly/saferemrtips3