NEW DELHI: HMD 100 owners can enable a security code containing 4 to 8 digits through the phone's Security and Keyguard settings, according to its official India user guide. HMD says it cannot open or bypass a forgotten code. That makes choosing and safely recording the code part of setup, especially when preparing this basic calling phone for a family member.
| Setting or specification | Official detail |
|---|---|
| Security code | 4 to 8 digits |
| Guide covers | TA-1753 and TA-1761 |
| Keypad lock | Go to > Lock keypad |
| Memory | 8MB RAM, 4MB internal storage |
| Platform and connector | S30+, Micro USB |
Start by matching the handset
The HMD 100 is a small keypad phone built around calling, messages and FM radio. Its specification sheet lists an 800mAh removable battery and a 1.77-inch display. These details help identify the device before following instructions found under similarly named HMD models. Use its own guide rather than assuming instructions for an Android phone apply.
There is a particularly useful distinction in its memory listing. The India specifications identify RAM and internal storage separately. Neither should be confused with space on an Android smartphone. For this privacy task, concentrate on the contacts, messages and personal settings already on the handset, rather than looking for an Android account or app-based lock manager.
Enable the code through Keyguard
Open Menu, choose Settings, then Security, Keyguard and Security code. Switch the option to On, enter your chosen code and confirm with OK. The guide prints the Settings icon rather than spelling out its name at that point, so follow the settings symbol on the handset if the menu presentation differs from a text transcription.
Choose the code with the person who will actually use the phone. When setting it up for a parent, demonstrate entering it and returning to the home screen before handing the device over. A protection setting that only the helper understands can leave the owner dependent on someone else whenever the prompt appears.
Keep a private record somewhere the owner can retrieve it without unlocking this handset. The practical reason is specific: HMD's guide says the company cannot bypass the code. Do not treat a shop visit or a later support conversation as a promised recovery route. The official instructions provide no such promise.
Practise the everyday keypad lock
The keypad chapter gives a separate everyday action for preventing accidental button presses. Choose Go to, then Lock keypad. To unlock, press the end key and choose Unlock. Practise that sequence with the owner too, because remembering the security code and recognising the unlock controls are different parts of using the phone confidently.
The same chapter explains navigation with the scroll key and returning home with the end key. These controls deserve a short demonstration on this model's compact screen. Someone accustomed to tapping a smartphone may otherwise mistake a highlighted menu item for an option that has already been selected.
For families comparing other keypad layouts, our Nokia 105 Classic variant guide covers another basic-phone listing. Our Nokia 8210 4G model listing offers separate coverage of another keypad device; the HMD 100 procedure here comes from its own guide.
Keep reset instructions separate from unlocking
The official HMD 100 reset chapter says restoring factory settings removes saved phone-memory data and personalisation. It gives *#7370# as the home-screen reset command and says the security code may be requested. This is an erasure procedure, so save needed information elsewhere before deliberately using it.
For a hand-me-down phone, make a written checklist of the contacts and other information the previous owner still needs. Complete that check before starting the reset. Because the procedure can request the code, it should not be presented as a confirmed way around a forgotten one. The guide describes a reset, not a guaranteed code-recovery service.
HMD 100's appeal is its narrow set of everyday tasks, but that does not make the information inside it unimportant. A family calling list and personal messages still deserve deliberate handling. Set the lock while the owner is present, let them rehearse it, and explain that erasing the handset is a separate decision.
During that rehearsal, have the owner point out Menu, the end key and the scroll key on the actual HMD 100. The guide assigns different jobs to those controls. Identifying them before activating protection makes it easier to distinguish a navigation mistake from a problem remembering the code.
For the broader model context, see our HMD 101 and HMD 100 comparison. Official instructions: HMD 100 keys, security-code setup and guide navigation, with the keypad chapter and factory-reset chapter.
