Xiaomi Redmi 4A is best option. I am using this phone and its far better in terms of performance, cameras and battery backup than Samsung Z4 and Lyf Flame 1. Moreover , it has more storage space, more RAM and better display. Its way powerful than them.Samsung Z4 vs Xiaomi Redmi 4A vs Lyf Flame 1
Both the phones have their pros and cons, I think you should go for Xiaomi Redmi 4A. Xiaomi Redmi 4A has the following advantages over Samsung Z4: - 1. Xiaomi Redmi 4A has 5.0" display size while Samsung Z4 has 4.5" display size. 2. Xiaomi Redmi 4A has 2GB RAM while Samsung Z4 has 1GB RAM. It is not like that it is a one sided game, Samsung Z4 has the following advantages - 1. Samsung Z4 has 1.5GHz Processor while Xiaomi Redmi 4A has 1.4GHz Processor.
Verdict - In my opinion, Xiaomi Redmi 4A is a better phone in overall performance but if you need a phone with good front camera for taking selfies, you can go for Samsung Z4.
Samsung phones are of better quality than Lyf phones. Specs wise also Samsung Z4 is better . Major deciding factor here is OS. It depends whether you want Android OS or Tizen. Samsung Z4 vs Lyf Flame 1
You need to hard reset it. Switch the phone off. Press and Hold Volume up and power button. Select language with power button and use power button to select. Select Wipe and Reset > Wipe all data > Yes.
Download the Gmail app from the Tizen Store. Open up the Gmail app. Select add new account. Enter your credentials, agree to the terms and select sign in. You are done setting up gmail on your new device.