What is the difference between GSM unlocked and factory unlocked?

Related questions

1. Are there unlocked CDMA phones?
2. Are iPhones CDMA or GSM?
3. Does GSM unlocked work internationally?
4. Can a phone be locked after being unlocked?
5. Do unlocked cell phones work with any carrier?
6. Can you use a CDMA phone on a GSM network?
7. Can I buy an unlocked phone and use it with AT&T?
8. Will an unlocked GSM phone work on Verizon?
9. What does CDMA network mean?
10. What phones are compatible with CDMA?

Tags

1. #factory
2. #phone
3. #carrier
4. #difference
5. #third
6. #however
7. #retailer
8. #unlocked
9. #party
10. #network